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Enjoy histories on hundreds of famous Naturalists, conservationists, eco-scientists and environmentalists.

Index: A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
A
A. P. de Candolle: (1778 - 1841), Swiss Botanist
Aldo Starker Leopold: (1913 - 1983), American Author, Forester, Zoologist and Conservationist
Abi Kusno Nachran: (1940-2006), Indonesian Rainforest Preservation Activist
Abraham Trembley: (1710–1784), Swiss Naturalist
Achille Richard: (1794–1852), French Botanist
Achille Valenciennes: (1794–1865), French Zoologist
Adam Afzelius: (1750–1837), Swedish Botanist
Addison Emery Verrill: (1839–1926), American Zoologist
Adelbert von Chamisso: (1781-1838),German Botanist
Adolf Engler: (1844–1930), German Botanist
Adolfo Lutz: (1855–1940), Brazilian Infectologist, Pathologist and Public Health Researcher
Adolphe Theodore Brongniart: (1801–1876), French Botanist
Adriaan Kortlandt: (Born 1918-), Dutch Ethologist
Adriaan van Royen: (1704–1779), Dutch Botanist
Adrian Hardy Haworth: (1767-1833), English Entomologist, Botanist and Carcinologist
Adrian John Brown: (1852–1920), British Professor
Adrien René Franchet: (1834-1900), French Botanist
Adrien-Henri de Jussieu: (1797-1853), French Botanist
Agostino Todaro: (1818–1892), Italian Botanist
Agustin Stahl: (1842–1917), Puerto Rican Zoologist and Botanist
Aimé Bonpland: (1773–1858), French Botanist
Akira Endo: (Born 1933-), Japanese Biochemist
Alan Burges: (1911-2002), Australian Botanist
Alan Hastings: (USA), Theoretical Ecologist
Alan Rabinowitz: (Born 1953-), American Zoologist
Albert C. L. G. Günther: (1830–1914), British/German Zoologist
Albert Ernest Radford: (1918-2006), American Botanist
Albert Francis Blakeslee: (1874–1954), American Botanist
Albert Hazen Wright: (1879-1970), Herpetologist
Albert Howard: (1873–1947), British Botanist
Albert Kellogg: (1813-1887), American Botanist
Albert von Kölliker: (1817–1905), Swiss Physiologist
Albert William Herre: (1868–1962), American Ichthyologist and Lichenologist
Alberto della Marmora: (1789–1863), Italian Naturalist
Albrecht Kossel: (1853–1927), German Physician -Nobel Prize Winner
Albrecht von Haller: (1708-1777), Swiss Anatomist, Physiologist, Naturalist
Alcide d'Orbigny: (1802–1857), French Naturalist
Aldo Leopold: (USA) (1887-1948), Ecologist, Forester and Environmentalist
Aleksandr Fyodorovich Middendorf: (1815–1894), Russian Zoologist
Aleksandr Oparin: (1894–1980), Russian Biologist and Biochemist
Alexander Agassiz: (1835–1910), American Zoologist
Alexander Braun: (1805-1877), German Botanist
Alexander Fleming: (1881–1955), British Medical Scientist
Alexander G. von Bunge: (1803–1890), German-Russian Zoologist
Alexander Koenig: (1858–1940), German Naturalist
Alexander Shulgin:, (Born 1925-), Russian/American Pharmacologist
Alexander von Bunge: (1803-1890), Russian German Botanist
Alexander von Humboldt: (1769–1859), German Naturalist and Explorer
Alexander Watt: (1892-1985), Scottish Botanist and Plant Ecologist
Alexander Wetmore: (1886–1978), American Ornithologist
Alexander Wilson: (1766–1813), Scottish-American Ornithologist
Alexandre de Cassini: (1781–1832), French Botanist
Alexis Carrel: (1873–1944), French Biologist and Surgeon - Nobel Prize Winner
Alf Erling Porsild: (1901-1977), Danish-Canadian Botanist
Alfred Brehm: (1829–1884), German Zoologist
Alfred Clarence Redfield: (1890-1983), American Oceanographer
Alfred Cogniaux: (1841–1916), Belgian Botanist
Alfred Grandidier: (1836–1921), French Naturalist and Explorer
Alfred Hershey: (1908–1997), American Bacteriologist - Nobel Prize Winner
Alfred John North: (1855–1917), Australian Ornithologist
Alfred Malherbe: (1804-1865), French Magistrate and Amateur Naturalist
Alfred Merle Norman: (1831–1918), English Clergyman and Naturalist
Alfred Moquin-Tandon: (1804–1863), French Naturalist
Alfred Newton: (1829–1907), English Zoologist
Alfred Romer: (1894–1973), Specialist in vertebrate Paleontology
Alfred Russel Wallace: (1823-1913), British Naturalist and Biologist
Alfred William Alcock: (1859–1933), British Naturalist
Alice L. Kibbe: (1881-1969), American Botanist
Alice Lounsberry: (1873-1949), American Botanist
Alice Pruvot-Fol: (1873–1972), French Malacologist
Alister Clavering Hardy: (1896–1985), English Marine Biologist
Allan Cunningham: (1791–1839), English Botanist
Allan Octavian Hume: (1829–1912), British Ornithologist
Allvar Gullstrand: (1862–1930), Swedish Ophthalmologist - Nobel Prize Winner
Alpheus Hyatt: (1838–1902), American neo-Lamarckian
Alphonse Milne-Edwards: (1835–1900), French Zoologist
Alphonse Pyrame de Candolle - (A. de Candolle): (1806-1893), French-Swiss Botanist
Alton A. Lindsey: (1907-1999), Pioneering Ecologist
Alwyn Howard Gentry: (1945-1993), American Botanist and Plant Collector
Ambrosius Hubrecht: (1853–1915), Dutch Zoologist
Anatoly Sharpenak: (1895–1969), Russian, Biochemist
Anders Dahl: (1751-1789), Swedish Botanist
Anders Sandoe Oersted: (1816–1872), Danish Botanist
Anders Sparrman: (1748–1820), Swedish Naturalist
André Lwoff: (1902–1994), French MicroBiologist - Nobel Prize Winner
André Marie Constant Duméril: (1774–1860), French Zoologist
André Michaux: (1746-1802), French Botanist and Explorer
Andrea Cesalpino: (1519–1603), Italian Botanist
Andreas Franz Wilhelm Schimper: (1856-1901), Botanist and Phytogeographer
Andrew Bloxam: (1801-1878), English Naturalist
Andrew Jackson Grayson: (1819–1869), American Ornithologist
Andrew Smith: (1797–1872), Scottish Zoologist
Angela Vincent: (Born 1942-), Professor
Ann Bishop: (1899–1990), English Biologist
Ann Haven Morgan: (1882-1966), American Zoologist and Ecologist
Ann Pamela Cunningham: (1816–1875) American pioneering activist)
Ansel Adams: (1902-1984), Wilderness and Landscape Photographer
Anselme Gaëtan Desmarest: (1784–1838), French Zoologist
Anthony Ashley-Cooper: (1938-2004), 10th Earl of Shaftesbury
Anthony Hurt Wolley-Dod: (1861-1948), British Botanist
Antoine de Jussieu: (1686-1758), French Naturalist
Antoine Laurent de Jussieu: (1748–1836), Botanist
Antoine Nicolas Duchesne: (1747-1827), French Botanist
Anton de Bary: (1831–1888), Surgeon, Botanist, Micro-Biologist
Anton Dohrn: (1840–1909), German marine Biologist
Anton Kerner von Marilaun: (1831–1898), Austrian Botanist
Anton Rehmann: (1840-1917), Botanist
Anton Reichenow: (1847–1941), German Ornithologist
Antoni van Leeuwenhoek: (1632–1723), Dutch Biologist
Antonina Georgievna Borissova: (1903–1970), Russian Botanist
Antonio José Cavanilles: (1745-1804), Spanish Taxonomic Botanist
Archibald Menzies: (1754–1852), Scottish Naturalist
Archibald Vivian Hill: (1886–1977), British Physiologist – Nobel Prize Winner
Archie Faily Carr, Jr.: (1909-1987) Herpetologist, Ecologist, Conservationist
Aristid Lindenmayer: (1925–1989), Hungarian Biologist
Aristotle: (384 BC-322 BC), Greek philosopher
Armand David: (1826–1900), French Zoologist and Botanist
Armando Theodoro Hunziker: (1919-2001), Argentine Botanist
Armen Takhtajan:(Born 1910-), Russian Botanist
Arne Tiselius: (1902–1971), Swedish Biochemist – Nobel Prize Winner
Arthur Adams: (1820–1878), English Physician and Naturalist
Arthur Cain: (1921-1999), British Biologist, Ecologist
Arthur Carhart: (1892-1978), US Forest Service Official
Arthur Cronquist: (1919-1992) United States Biologist and Botanist
Arthur Disbrowe Cotton: (1879-1962), English Plant Pathologist, Mycologist, Phycologist and Botanist
Arthur Harden: (1865–1940), British Biochemist – Nobel Prize Winner
Arthur Hay: (1824–1878), English Ornithologist
Arthur Kornberg: (1918–2007), American Biochemist – Nobel Prize Winner
Arthur Roy Clapham: (1904-1990), British Botanist
Arthur Tansley: (1871-1955), English Botanist
Arthur William Baden Powell: (1901–1987), New Zealand Malacologist and Paleontologist
Asa Gray: (1810–1888), American Botanist
August Gustav Heinrich von Bongard: (1786–1839), German Botanist
August Johann Georg Karl Batsch:(1762–1802), German Botanist, Mycologist
August Weismann: (1834–1914), German Biologist
Augustin Pyramus de Candolle: (1778-1841), Swiss Botanist
Augustin Saint-Hilaire: (1779-1853), French Botanist
Augustine Henry: (1857-1930), Irish Plantsman and Sinologist
Augustus Addison Gould: (1805–1866), American Conchologist.
Augustus Quirinus Rivinus: (1652-1723), German Physician and Botanist
Austin L. Rand: (1905–1982), Canadian Zoologist
Austin Roberts: (1883–1948), South African Zoologist
Aylmer Bourke Lambert: (1761–1842), British Botanist
Aziz Ab'Saber: (1924-2012), Brazilian Environmentalist and Scientist
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Barbara McClintock: (1902–1992), American Biologist - Nobel Prize Winner
Barry Marshall: (Born 1951-), Australian Physician and MicroBiologist – Nobel Prize Winner
Benjamin Alvord: (1813-1884), American Botanist
Benjamin Dann Walsh: (1808–1869), American Entomologist
Benjamin Smith Barton: (1766–1815), American Botanist
Benton MacKaye: (1879-1975), Wilderness Activist
Bernard Davis: (1916–1994), American Biologist
Bernard de Jussieu: (1699–1777), French Naturalist
Bernard Frank: (1902-1964), American Forester and Wilderness Activist
Bernard Germain Étienne de la Ville, Comte de Lacépède: (1756–1825), French Naturalist
Bernard Tucker: (1901–1950), English Ornithologist
Bernardino da Ucria: (1739-1796), Sicilian Friar and Botanist
Bernardo Houssay: (1887–1971), Argentine Physiologist – Nobel Prize Winner
Bernhard Rensch: (1900–1990), German Biologist
Bert Vogelstein: (Born 1949-), American geneticist
Berthold Carl Seemann: (1825-1871), German Botanist
Bill Mason: (1929-1988), Canadian Naturalist, Conservationist
Biruté Galdikas: (Born 1946-), Canadian Primatologist
Biswamoy Biswas: (1923–1994), Indian Ornithologist
Bob Marshall: (1901-1939), American Forester, Wilderness Activist
Boris Pavlovich Belousov: - (1893–1970), USSR, Chemist Biophysicist
Boyd Alexander: (1873–1910), English Ornithologist
Brian Houghton Hodgson: (1800–1894), English Naturalist
Brian J. Ford: (Born 1939-), British Biologist and writer
Bruce Alberts: (Born 1938-), American Biochemist
Bruce Ames: (Born 1928-), American Biochemist
Bruce McEwen: (Born 1938-), Neuroendocrinologist
Bruno Hofer: (1861–1916), German fisheries scientist
Buckminster Fuller: (July 12, 1895 – July 1, 1983), American architect, systems theorist, author, designer and inventor
Georges-Louis Leclerc, Comte de Buffon: (1707–1788), French Naturalist
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C. Richard Tracy: (Born 1943-), American Biologist
C.S. Holling: (Born 1930-), Canadian Ecologist
Camillo Golgi: (1843–1926), Italian Physician – Nobel Prize Winner
Cándido Bolívar Pieltain: (1897–1976), Spanish Naturalist
Carl Adolph Agardh: (1785–1859), Swedish Botanist
Carl Bergmann: (1814–1865), German Anatomist, Physiologist and Biologist
Carl Christensen: (1872-1942), Danish Systematic Botanist
Carl Chun: (1852–1914), German Marine Biologist
Carl Ferdinand Cori: (1896–1984), American Biochemist – Nobel Prize Winner
Carl Friedrich Philipp von Martius: (1794–1868), German Botanist
Carl Hansen Ostenfeld: (1873-1931), Danish Systematic Botanist
Carl Jakob Sundevall: (1801–1875), Swedish Zoologist
Carl Ludwig Blume: (1789–1862), German-Dutch Botanist
Carl Ludwig Willdenow: (1765–1812), German Botanist and Pharmacist
Carl Maximowicz: (1827–1891), Russian Botanist
Carl Neuberg: (1877–1956), German, Pioneer in the study of Metabolism.
Carl Peter Henrik Dam: (1895–1976), Danish – Nobel Prize Winner
Carl Peter Thunberg: (1743–1828), Swedish Naturalist
Carl Ulisses von Salis-Marschlins: (1762–1818), Swiss Naturalist
Carl Woese: (Born 1928-), American Micro-Biologist
Carlo Allioni: (1728-1804), Italian Physician and Professor of Botany
Carlos A. Peres: (Born 1963-), Brazilian Biologist
Carlos Bustamante: (Born 1951-), American Biophysicist
Carlos Chagas: (1879–1934), Brazilian Physician
Carolus Linnaeus: (1707–1778), Swedish Botanist
Carolus Linnaeus the Younger: (1741-1783), Swedish Naturalist
Carolyn Kent: (1935–2009) American Historical Preservationist and Activist
Caspar Georg Carl Reinwardt: (1773–1854), Dutch Botanist
Caspar Wistar: (1761–1818), American anatomist and Physician.
Celia Hunter: (1919-2001), American Environmentalist and Conservationist
César Barbosa: (Born 1954-), Colombian Biologist
César Milstein: (1927–2002), Argentine Biochemist– Nobel Prize Winner
Chapman Grant: (1887–1983), American herpetologist
Charles Alexandre Lesueur: (1778–1846), French Naturalist
Charles Athanase Walckenaer: (1771–1852), French Entomologist
Charles B. Cory: (1857–1921), American Ornithologist
Charles Bonnet: (1720–1793), Swiss Naturalist
Charles Chilton: (1860–1929), New Zealand Zoologist
Charles Christopher Adams: (1873-1955), American Zoologist
Charles Christopher Frost: (1805-1880), American Botanist
Charles Christopher Parry: (1823-1890), British-American Botanist
Charles Coquerel: (1822–1867), French Navy Surgeon and Entomologist
Charles Curtis: (1853-1928), English Botanist
Charles Darwin: (1809–1882), British Naturalist
Charles Davenport: (1866–1944), American Biologist and Eugenicist
Charles de l'Écluse: (1526-1609), Flemish Botanist
Charles E. Peterson: (1906–2004) American seminal activist)
Charles F. Cooper: (Ecologist) - (USA)(1924-1994), American born Ecologist
Charles F. Newcombe: (1851–1924), British Botanist
Charles Francis Laseron: (1887–1959), American-born Australian Naturalist and Malacologist
Charles Frédéric Girard: (1822–1895), French Biologist, Ichthyologist, Herpetologist
Charles Frederick Millspaugh: (1854-1923), American Botanist
Charles Gaudichaud-Beaupré: (1789–1854), French Botanist
Charles Hedley: (1862–1926), Naturalist, active in Australia
Charles Henry Gimingham: (Born 1923-), British Botanist
Charles Konig: (1774–1851), German Naturalist
Charles Lamberton (1876-1960), French Paleontologist
Charles Louis Alphonse Laveran: (1845–1922), French Physician – Nobel Prize Winner
Charles Lucien Bonaparte: (1803–1857), French Naturalist
Charles Maries: (1851-1902), English Botanist
Charles Pickering: (1805–1878), American Naturalist
Charles Plumier: (1646-1704), French Botanist
Charles Richet: (1850–1935), French Physiologist – Nobel Prize Winner
Charles S. Elton: (1900-1991), English Zoologist
Charles Schuchert (1858–1942), Paleontologist
Charles Sprague Sargent: (1841-1927), American Botanist
Charles Theodore Mohr: (1824-1901), Pharmacist and Botanist
Charles Wallace Richmond: (1868–1932), American Ornithologist
Charles Waterton: (1782–1865), English Naturalist
Charles Wilkes: (1798–1877), American explorer and Naturalist
Charles William Beebe (1877–1962), Biologist
Charles Wright: (1811-1885), American Botanist
Charles Wyville Thompson: (1832–1882), Scottish marine Biologist
Charles, Prince of Wales: (Born 1948-), British Activist
Charles-François Brisseau de Mirbel: (1776-1854), French Botanist and Politician
Charlotte Auerbach: (1899–1994), German Geneticist
Chauncey Beadle: (1866-1950), Canadian-born Botanist and Horticulturist
Choh Hao Li:(1913–1987), Chinese-born US Biochemist
Chris Packham: (Born 1961-), English Naturalist
Christen Raunkiær: (1860-1938), Danish Botanist
Christian de Duve: (1917-2013), British-born Belgian – Nobel Prize Winner
Christian Ehrenfried Weigel: (1748-1831), German Scientist
Christian Friedrich Ecklon: (1795–1868), Danish Botanist
Christian Gottfried Daniel Nees von Esenbeck: (1776–1858), German Botanist and Zoologist
Christian Gottfried Ehrenberg: (1795–1876), German Biologist and Microscopist
Christian Hendrik Persoon: (1761–1836), Biologist
Christian Ludwig Brehm: (1787–1864), German Ornithologist
Christo Albertyn Smith: (1898-1956), South African Botanist
Christoph Feldegg: (1780–1845), Austrian Naturalist
Churchill Babington: (1831–1881), British archaeologist and Conchologist
Clarence Bicknell: (1842-1918), British Botanist and Archaelogist
Claude Bernard: (1813–1878), French Physiologist
Clelia Giacobini: (1931–2010), Italian MicroBiologist
Clem Coetzee: (1939 – 2006) Zimbabwean Conservationist
Cleofé Caldéron:(1929-2007), Argentine Botanist
Clinton Hart Merriam: (1855–1942), American Zoologist and Ornithologist
Clodoveo Carrión Mora: (1883–1957), Ecuadorian Paleontologist and Naturalist
Coenraad Jacob Temminck: (1778–1858), Dutch Zoologist
Colin Bibby: (1948–2004), English Ornithologist
Colin Leakey: (Born 1933-), British Tropical Botanist
Colonel W. H. Sykes: (1790–1872), English Ornithologist
Conrad von Gesner: (1516–1565), Swiss Naturalist
Constantin von Ettingshausen: (1826–1897), Austrian Botanist
Constantine John Phipps: (1744–1792), English explorer
Constantine Samuel Rafinesque: (1783–1840), French Naturalist
Cornelius Herman Muller: (1909-1997), American Botanist
Coslett Herbert Waddell: (1858–1919), Irish Botanist
Craig Venter: (Born 1946-), American Biologist
Curt Backeberg: (1894–1966), German Botanist
Cyrus Pringle: (1838-1911), American Botanist
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Damodaran M. Vasudevan: (Born 1942-), Indian Physician, Immunologist and Educationist
Daniel A. Livingstone: (USA) (1927-2016), Research Professor
Daniel Boone: (1734-1820), American Explorer
Daniel Giraud Elliot: (1835–1915), American Zoologist
Daniel H. Janzen: (Born 1939-), American Entomologist and Ecologist
Daniel Oliver: (1830-1916), British Botanist
Daniel Pauly: (Born 1946-), French Marine Biologist
Daniel Simberloff: (USA) (Born 1942-), Biologist and Ecologist
Daniel Solander: (1733–1782), Swedish Botanist
David Ashton: (1927-2005), Australian Botanist, Ecologist
David Attenborough: (Born 1926-), TV Host, Naturalist, Educator
David B. Wingate: (Born 1935-), Ornithologist, Naturalist and Conservationist
David Baltimore: (Born 1938-)– Nobel Prize Winner
David Bellamy: (Born 1933-), English Botanist
David Bowman: (1838-1868), Scottish Plant Collector
David Brower (1912-2000), Environmentalist
David Bruce: (1855–1931), Scottish Pathologist and MicroBiologist
David Burke: (1854-1897), Plant Collector
David Don: (1799–1841), British Botanist
David Douglas: (1799–1834), Scottish Botanist
David E. Green: (1910–1983), American Biochemist
David Fairchil: (1869–1954), American Botanist
David H. Hubel: (Born 1926-), Canadian-Born American NeuroBiologist – Nobel Prize Winner
David H. Valentine: (1912-1987), British Botanist, Plant Taxonomist
David Lack: (1910–1973), British Ornithologist
David M. Carroll: (Born 1942-), American Naturalist
David Nachmansohn: (1899–1983), German-Jewish Biochemist
David R. Lindberg: (Born 1948-), American Malacologist and Biologist
David Rittenberg: (1906–1970), U.S. Biochemist
David Schindler: (Born 1940-), American/Canadian Limnologist
David Sloan Wilson: (Born 1949-), American Evolutionary Biologist
David Starr Jordan: (1851–1931), Ichthyologist
Dean Burk: (1904–1988), American, co-discoverer of biotin.
Deepal Warakagoda: (Born 1965-), Sri Lankan Ornithologist
Denham Harman: (Born 1916-), American Biogerontologist
Derek Ratcliffe: (1929-2005), British Nature Conservationists
Desmond Morris: (Born 1928-), British Zoologist and Biologist
DeWitt Clinton: (1769-1828), American Naturalist
Dian Fossey: (1932-1985), Primatologist
Diederich Franz Leonhard von Schlechtendal: (1794-1866), German Botanist
Domenico Vandelli: (1735-1816), Italian Naturalist
Donald C. Peattie : (1898–1964), American Botanist
Donald Engelman: (Born 1941-), Professor of Biochemistry
Donald Ward Tinkle : (1930-1980), Herpetologist, Ecologist and Evolutionary Biologist
Dorothy Hodgkin: (1910–1994), British Biochemist – Nobel Prize Winner
Douglas Futuyma: (Born 1942-), American Evolutionary Biologist
Douglas Spalding: (1840–1877), English Biologist
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E. A. Wilson: (1872–1912), English Naturalist
E. B. Ford: (1901–1988), British Ecological Geneticist
E. F. Warburg: (1743-1815), German Zoologist
Eberhard August Wilhelm von Zimmermann: (1743–1815), German Zoologist
Edgar Albert Smith: (1847–1916), British Zoologist and Conchologist
Edgar Douglas Adrian: (1889–1977), British ElectroPhysiologist – Nobel Prize Winner
Edmund Meade-Waldo: (1855–1934), English Ornithologist
Édouard Louis Trouessart: (1842–1927), French Naturalist
Edouard Menetries: (1802–1861), French Entomologist
Edouard Verreaux: (1810–1868), French Naturalist
Eduard Buchner: (1860–1917), German – Nobel Prize Winner
Eduard Friedrich Poeppig: (1798-1868), German Botanist, Zoologist and Explorer
Eduard Pospichal: (1838-1905), Austrian Botanist
Eduard Rüppell: (1794–1884), German Naturalist
Eduard Strasburger: (1844–1912), German Botanist
Eduardo Krieger: (Born 1930-), Brazilian Physician and Physiologist
Edward Abbey: (1927-1989), Writer and Wilderness Activist
Edward Blyth: (1810–1873), English Zoologist
Edward Charles Stirling: (1848–1919), Australian Anthropologist
Edward Drinker Cope: (1840–1897), American Paleontologist, Anatomist, Herpertologist and Ichthyologist
Edward Forbes: (1815-1854), Manx Naturalist
Edward Grey: (1862–1933), British Ornithologist
Edward James Salisbury: (1886–1978), British Botanist
Edward O. Wilson: (Born 1929-), American Entomologist - Pulitzer Prize Winner
Edward Osborne Wilson: (Born 1929-), American Biologist
Edward Palmer: (1829–1911), British Botanist
Edward Pierson Ramsay: (1842–1916), Australian Ornithologist
Edward Ricketts: (1897-1948), American Marine Biologist, Ecologist and Philosopher
Edward Smith Deevey, Jr.: (1914-1988), American Ecologist and Paleolimnologist
Edward Stanley: (1775–1851), English Naturalist
Edward Tuckerman: (1817–1886), American Botanist
Edward Turner Bennett: (1797–1836), English Zoologist
Edward W. Berry: (1875-1945), American Paleontologist and Botanist.
Edwin Way Teale: (1899-1980), American Naturalist
Eleanor Anne Ormerod: (1828–1901), English Entomologist
Elias Lönnrot: (1802-1884), Finnish Physician, Philologist
Elias Magnus Fries: (1794–1878), Swedish Mycologist and Botanist
Elie-Abel Carrière: (1818–1896), French Botanist
Eliot Howard: (1873–1940), English Ornithologist
Elissa Sursara: (Born 1988-), Australian Wildlife Expert and Journalist
Eliza Frances Andrews: (1840-1931), Writer
Elizabeth Gertrude Britton: (1858-1934), American Botanist, Bryologist and Educator
Elizabeth McClintock: (1912-2004), Botanist
Elliott Coues: (1842–1899), American Ornithologist
Elmer Noble: (1909–2001), American parasitologist
Elmer Verner McCollum: (1879–1967), American Biochemist
Elsa Beata Bunge (1734-1819), Swedish Botanist
Elsie Quarterman: (1910-2014), Plant Ecologist(USA)
Emanuel Mendez da Costa: (1717–1791), English Botanist, Naturalist, Philosopher
Émil Goeldi: (1859–1917), Swiss-Brazilian Naturalist and Zoologist
Emil Theodor Kocher: (1841–1917), German Physician – Nobel Prize Winner
Émile Louis Ragonot: (1843–1895), French Entomologist
Emile Oustalet: (1844–1905), French Zoologist
Emma Lucy Braun: (1889-1971), Botanist, Ecologist (USA)
Emmanuel Liais: (1826–1900), French Botanist
Endel Tulving: (Born 1927-), Estonian-born Canadian Neuroscientist
Erasmus Darwin: (1731–1802), Doctor, Naturalist
Eric R. Kandel: (Born 1929-), Austrian-born American Neuroscientist – Nobel Prize Winner
Erik Acharius: (1757–1819), Swedish Botanist
Ernest Brown Babcock: (1877-1954), Plant Geneticist
Ernest Edward Galpin: (1858-1941), South African Botanist
Ernest Everett Just: (1883–1941), American Biologist
Ernest Henry Wilson: (1876-1930), English Plant Collector
Ernest Oberholtzer: (1884-1977), American Explorer, Author and Conservationist
Ernesto Bustamante: (Born 1950-), Peruvian Biochemist
Ernie Cooper: (Born 1956-), Wildlife Inspector
Ernst Dieffenbac: (1811–1855), German Naturalist
Ernst Haeckel: (1834–1919), German Physician, Zoologist and evolutionist
Ernst Hartert: (1859–1933), German Ornithologist
Ernst Mayr: (1904–2005), evolutionary Biologist
Ernst Rudolf von Trautvetter: (1809-1889), Baltic German Botanist
Ernst T. Krebs, Jr.: (1911–1996), American Biochemist
Erwin Stresemann: (1889–1972), German Ornithologist
Estella Leopold: (Born 1927-), (USA) Paleobotanist and Conservationist
Étienne Geoffroy Saint-Hilaire: (1772–1844), French Naturalist
Eugene Odum: (USA) (1913-2002), American Biologist
Eugene P. Odum: (1913–2002), American Ecologist
Eugène Viollet-le-Duc: (1814–1879), French Architect, Theorist
Eugenie Clark: (1922-2015), American Ichthyologist
Eugenius Warming: (1841-1924), Danish Botanist
Eva Ekeblad: (1724-1786), Swedish Agronomist, Scientist
Evelyn Christine Pielou: (1924-2016), Canadian Ecologist
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F. Percy Smith: (1880-1945), British Naturalist
F. Stuart Chapin III: (Born 1944-), Professor of Ecology
Feliks Pawel Jarocki: (1790–1865), Polish Zoologist
Felipe Poey: (1799–1891), Cuban Zoologist
Félix de Azara: (1746–1811), Spanish Naturalist
Félix Dujardin: (1802–1860), Biologist
Félix Édouard Guérin-Méneville: (1799–1874), French Entomologist
Félix Pierre Jousseaume: (1835–1921), French Zoologist and Malacologist
Ferdinand von Mueller: (1825–1896), German-Australian Botanist
Fermín Martín Piera: (1954–2001), Spanish Botanist
Filippo Parlatore:(1816-1877), Italian Botanist
Florentino Ameghino: (1854-1911), Argentine Naturalist, Paleontologist, Anthropologist, and Zoologist
Flossie Wong-Staal: (Born 1947-), American Virologist
Floyd Zaiger: (Born 1926-), Fruit Geneticist
Frances Crews James: (Born 1930-), American Academic Ecologist
Francesco Cetti: (1726–1778), Italian Zoologist
Francesco Cupani:(1657-1710), Italian Naturalist
Francesco Redi: (1626–1697), Italian Physician
Francis Buchanan-Hamilton: (1762–1829), Scottish Zoologist and Botanist
Francis Crick: (1916–2004), British Molecular Biologist
Francis Guthrie: (1831-1899), Botanist
Francis Harper: (1886-1972), American Naturalist
Francis Masson: (1741 – c. 1805), Scottish Botanist
Francis Willughby: (1635–1672), English Ornithologist and Ichthyologist
Francisco Freire Allemão e Cysneiro: (1797–1874), Brazilian Botanist
Francisco Varela: (1946–2001), Chilean Biologist
Franco Andrea Bonelli: (1784–1830), Italian Ornithologist
François Gagnepain: (1866–1952), French Botanist
François Huber: (1750–1831), Swiss Naturalist
François Jacob: (Born 1920-), French Biologist – Nobel Prize Winner
François Le Vaillant: (1753–1824), French Ornithologist
François Leguat: (c. 1637 – 1735), French Naturalist
Frank Alois Pitelka: (1916-2003), American Ornithologist
Frank Edwin Egler: (1911-1996), American Plant Ecologist
Frank Fraser Darling: (1903-1979), English Ecologist, Ornithologist, Conservationist
Frank Michler Chapman: (1864–1945), Ornithologist
Frank Newhook: (1918-1999), Plant Pathologist
Frank Olson: (1910–1953), American Bacteriologist
Franklin White: (Born 1946-), Canadian Scientist
Frans de Waal: (Born 1948-), Dutch Ethologist, Primatologist and Psychologist
Frans Hubert Edouard Arthur Walter Robyns: (1901-1986), Belgian Botanist
Franz Kiggelaer: (1648-1722), Dutch Botanist
Franz Meyen: (1804–1840), German Botanist
Franz Paula von Schrank: (1747-1835), German Priest, Botanist and Entomologist
Franz Sieber: (1789-1844), Botanist and Collector
Franz Steindachner: (1834–1919), Austrian Zoologist
Franz Xavier von Wulfen: (1728-1805), Botanist, Zoologist, Mineralogist, Alpinist
Frederic Clements: (1874-1945), American Plant Ecologist
Frédéric de Lafresnaye: (1783–1861), French Ornithologist
Frederic Edwin Church: (1826-1900), American landscape Painter
Frederic Vester: (1925–2003), German, Author and Ecologist.
Frederick Campion Steward: (1904–1993), British Botanist
Frederick DuCane Godman: (1834–1919), English Naturalist and Ornithologist
Frederick Gowland Hopkins: (1861–1947), British – Nobel Prize Winner
Frederick Griffith: (1879–1941), British Bacteriologist
Frederick Hamilton Davey -(1868-1915), Botanist
Frederick Octavius Pickard-Cambridge: (1860–1905), English Entomologist
Frederick Sanger: (Born 1918-) – Nobel Prize Winner
Frederick Smith: (1805–1879), British Entomologist
Frederick Traugott Pursh :(1774–1820), German-American Botanist
Frederick Vernon Coville : (1867–1937), American Botanist
Frederick W. True: (1858–1914), American Naturalist
Frederick William Burbidge: (1847-1905), British Explorer
Frederick Wollaston Hutton: (1835–1905), English Biologist and Geologist
Frédéric-Louis Allamand: (1736 – after 1803), Swiss Botanist
Frederik Børgesen: (1866-1956), Danish Botanist and Phycologist
Frederik Hasselquist: (1722–1752), Swedish Naturalist
Friedrich Anton Wilhelm Miquel: (1811-1871), Dutch Botanist
Friedrich Ernst Ludwig von Fischer: (1782-1854), Russian Botanist
Friedrich Kasimir Medikus: (1738-1808), German Physician and Botanist
Friedrich Loeffler: (1852–1915), German Biologist
Friedrich Miescher: (1844–1895) Swiss Physician and Biologist
Friedrich Parrot: (1791-1841), German Naturalist
Friedrich Schlechter: (1872–1925), German Botanist
Friedrich Welwitsch: (1806–1872), Austrian Botanist
Friedrich Wöhler: (1810–1882), German Chemist
Fritz Köberle: (1910–1983), Austrian-Brazilian Physician and Pathologist
Fritz Müller: (1821–1897), German-Brazilian Naturalist
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G. David Tilman: (Born 1949-), American Ecologist
G. Evelyn Hutchinson: (1903-1991), American Ecologist
G. Ledyard Stebbins: (1906-2000), American Botanist and Geneticist
Gabriel Bibron: (1806–1848), French Zoologist
Gabriele Rabel:(1880-1963), Austrian Physicist and Botanist
Gabrielle Howard: (1876-1930), British Plant Physiologist and Economic Botanist
Garcia de Orta: (1501-1568), Naturalist
Garrett Hardin: (1915-2003), American Ecologist and Philosopher
Gary Paul Nabhan: (Born 1952-), Agricultural Ecologist
Gaspard Bauhin: (1560–1624), Swiss Botanist
Gene Likens: (Born 1935-), American Limnologist and Ecologist
Genkei Masamune: (1899-1993), Japanese Botanist
Gennady Yakovlev: (Born 1938-), Russian Botanist, Pharmacognosyst, Phythochemist
Georg August Schweinfurth: (1836–1925), German Botanist
Georg Eberhard Rumphius: (1627-1702), German-born Botanist
Georg Forster: (1754–1794), German Naturalist
Georg Ossian Sars: (1837–1927), Norwegian marine Biologist
Georg Wilhelm Steller: (1709–1746), Russian Ornithologist
George Albert Boulenger: (1858–1937), Belgian Zoologist
George Arnott Walker-Arnott: (1799-1868), Scottish Botanist
George Bentham: (1800–1884), English Botanist
George Bird Grinnell: (1849-1938), American Anthropologist, Historian, Naturalist
George Bishop Sudworth: (1864-1927), American Botanist
George Bornemissza: (1924-2014), Hungarian-born Entomologist and Ecologist
George C. Williams: (Born 1926-), American Evolutionary Biologist
George Caley: (1770–1829), English Botanist
George E. Post: (1838-1909), Professor
George Edwards: (1693–1773), British Naturalist
George Eliava: (1892–1937), Georgian microBiologist
George Emil Palade: (Born 1912-), Romanian-American Biologist – Nobel Prize Winner
George Engelmann:(1809–1884), German-American Botanist
George Ernest Shelley: (1840–1910), English Ornithologist
George Evelyn Hutchinson: (1903–1991), American Ecologist and limnologist
George French Angas: (1822–1886), English explorer, Naturalist, Conchologist and painter
George Gaylord Simpson: (1902–1984), American Paleontologist
George Gordon: (1806–1879), British Botanist
George Jackson Mivart: (1827–1900), English Biologist
George James Allman:(1812–1898), British Naturalist
George Montagu: (1753–1815), English Naturalist
George Newbold Lawrence: (1806–1855), American Ornithologist
George Ord: (1781–1866), American Ornithologist
George Perry: (Born 1771-) English Naturalist
George Robert Gray: (1808–1872), English Zoologist
George Romanes: (1848–1894), Canadian Naturalist
George Schaller: (Born 1933-), American Zoologist
George Schoener: (1864–1941), German-American Botanist
George Shaw: (1751–1813), English Botanist and Zoologist
George Sheldon: (1818–1916) American Senator, Farmer, Writer
George Thomas Moore: (1871–1956), American Botanist
George Thomson:(1819-1878), Scottish Missionary
George Valentine Nash: (1864-1921), American Botanist
George Wald: (1906–1997), American Biologist – Nobel Prize Winner
George Washington Carver: (1860–1943), American Botanist
George Washington Tryon Jr. : (1838–1888), American Malacologist
Georges Cuvier: (1769–1832), French Naturalist
Georges-Louis Leclerc, Comte de Buffon:(1707-1788), French Naturalist
Georgina Mace: (Born 1953-), British Ecologist and Conservation Scientist
Gerald A. Kerkut: (1927–2004), British Zoologist and Physiologist
Gerald Durrell: (1925–1995), British Naturalist, zookeeper, conservationist
Gerald Edelman: (Born 1929-2014), American Biologist – Nobel Prize Winner
Gerald Stokell: (1890–1972), New Zealand Horticulturist and Ichthyologist
Gerard Krefft: (1830–1881), German-born Australian Zoologist and Palaeontologist
Gérard Paul Deshayes: (1795–1875), French Geologist and Conchologist.
Gerrit Smith Miller, Jr.: (1869–1956), American Zoologist. X
Gerty Cori: (1886–1957), American Biochemist– Nobel Prize Winner
Gifford Pinchot: (1865-1946), American Forester
Gilbert Ashwell: (Born 1916), American Biochemist
Gilbert White: (1720–1795), English Naturalist
Giovanni Antonio Scopoli: (1723–1788), Italian-Austrian Naturalist
Giovanni Arcangeli:(1840-1921), Italian Botanist
Giovanni Battista Balbis:(1765-1831), Italian Botanist
Giovanni Targioni Tozzetti: (1712-1783), Italian Naturalist
Giuseppe Olivi: (1769–1795), Italian Naturalist
Giuseppe Saverio Poli: (1746–1825), Italian physicist, Biologist and natural historian
Göran Wahlenberg: (1780–1851), Swedish Naturalist
Gordon Howell Orians: (Born 1932-), American Ornithologist and Ecologist
Göte Turesson: (1892-1970), Swedish Botanist
Gottlieb Conrad Christian Storr: (1749–1821), German Naturalist
Graham Stuart Thomas:(1909-2003), English Botanist
Gregor Mendel: (1822–1884), Czech-Austrian Monk
Gregory Goodwin Pincus: (1903–1967), American Biologist
Gregory Mathews: (1876–1949), Australian Ornithologist
Guillaume Grandidier: (1873–1957), French Naturalist
Guillaume Rondelet: (1507-1566), Naturalist
Guillermo Kalbreyer:(1847-1912), German Plant Collector
Günter Blobel: (Born 1936-) Silesian German Biologist – Nobel Prize Winner
Günther Enderlein: (1872–1968), German Zoologist and Entomologist
Guranda Gvaladze:(Born 1932-), Georgian Botanist
Gustaf Johan Billberg:(1772-1844), Swedish Botanist, Zoologist and Anatomist
Gustav Hartlaub: (1814–1900), German Zoologist
Gustav Karl Wilhelm Hermann Karsten: (1817–1908), German Botanist
Gustav Mann:(1836-1916), German Botanist
Gustav Radde: (1831–1903), German Naturalist
Gustav Wallis:(1830-1878), German Plant Collector
Guy Mountfort: (1905–2003), English Ornithologist
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Halina Rosenthal: (1918–1991), American Activist
Halszka Osmólska: (1930–2008), Polish Paleontologist
Hanna Kokko: (Born 1971-), Scientist
Hanna Resvoll-Holmsen:(1873-1943), Norwegian Botanist
Hans Adolf Krebs: (1900–1981), German Biochemist – Nobel Prize Winner
Hans Berger:(1873–1941), German Neuroscientist
Hans Hass: (Born 1919-), Austrian Biologist
Hans Wiehler: (1930–2003), American Botanist
Harald Rosenthal: (Born 1937-), German HydroBiologist
Harden M. McConnell: (Born 1927-), American Biochemist
Harold A. Mooney : (Born 1932-), American Ecologist
Harold E. Robinson: (Born 1932-), American Botanist and Entomologist
Harold John Finlay: (1901–1951), New Zealand Palaeontologist and Conchologist
Harold Maxwell-Lefroy: (1877–1925), English Entomologist
Harri Lorenzi: (Born 1949-), Brazilian Botanist
Harry Bolus:(1834-1911), South African Botanist
Harry Veitch: (1840-1924), English Horticulturist
Harvey Broome: (1902-1968), Wilderness Activist
Heinrich Friedrich Link: (1767–1850), German Botanist
Heinrich Gustav Reichenbach: (1823–1889), German orchidologist
Heinrich Kuhl: (1797–1821), German Zoologist
Heinrich von Kittlitz: (1799–1874), German Naturalist
Heinrich Wawra von Fernsee: (1831-1881), Czech-Austrian Botanist
Heinrich Wilhelm Schott: (1794–1865), German Botanist
Heinrich Wullschlägel: (1805-1864), Botanist
Heinrich Wydler: (1800-1883), Swiss Botanist
Heinz Ellenberg: (1913-1997), German Biologist, Botanist, and Ecologist
Heinz Fraenkel-Conrat: (1910–1999), Biochemist
Henri François Pittier: (1857-1950), Botanist
Henri Laborit:(1914–1995), French Surgeon and Physiologist
Henri Marie Ducrotay de Blainville: (1777–1850), French Zoologist
Henri Milne-Edwards: (1800–1885), French Zoologist
Henri Perrier de la Bâthie: (1873–1958), French Botanist
Henrik Franz Alexander von Eggers: (1844-1903), Danish Botanist
Henry Adams: (1813–1877), English Naturalist and Conchologist
Henry Alleyne Nicholson: (1844–1899), British Zoologist
Henry Augustus Pilsbry: (1862–1957), American Zoologist, Malacologist
Henry Baker Tristram: (1822–1906), English Ornithologist
Henry Boardman Conover: (1892–1950), American Ornithologist
Henry Chandler Cowles: (1869-1939), American Botanist
Henry Chesterton: (1840-1883), Plant Collector
Henry David Thoreau: Author, Naturalist and Development Critic
Henry Doubleday: (1808–1875), British Entomologist
Henry Fairfield Osborn: (1857–1935), eugenicist, AMNH curator
Henry Georges Fourcade: (1865-1948), Botanist
Henry Gleason: (1882-1975), American Ecologist, Botanist, and Taxonomist
Henry J. Oosting: (1903-1968), American Ecologist
Henry Nicholas Bolander: (1831-1897), Botanist and Educator
Henry Nicholas Ridley: (1855–1956), British Botanist
Henry Nottidge Moseley: (1844-1891), British Naturalist
Henry Paul Hansen: (1907-1989), American Palynologist
Henry Seebohm: (1832–1895), English Ornithologist
Henry Shoemaker Conard: (1874-1971), Ecologist
Henry Suter: (1841-1918), New Zealand Zoologist, Naturalist and- Palaeontologist
Henry Walter Bates (1825–1892), English Naturalist
Henry Witherby (1873–1943), British Ornithologist
Herbert G. Andrewartha: (1907-1992), Australian Scientist
Herman Boerhaave: (1668-1738), Dutch Botanist, Chemist
Herman Kalckar: (1908–1991), Danish Biochemist
Herman Silas Pepoon: (1860-1941), Botanist
Herman Spöring: (1733-1771), Finnish Explorer, Botanist and a Naturalist
Hermann August Hagen: (1817–1893), German Entomologist
Hermann Burmeister: (1807–1892), German Zoologist
Hermann Müller: (1850–1927), Swiss Botanist and Oenologist
Hermann Schlegel: (1804–1884), German Ornithologist
Hermann von Ihering: (1850–1930), German Naturalist
Hieronymus Bock: (1498-1554), German Botanist, Physician
Hisayoshi Takeda: (1883-1972), Japanese Botanist
Homer Leroy Shantz: (1876-1958), American Botanist
Honoré Jacquinot: (1815–1887), French Surgeon and Zoologist
Horace Alexander: (1889–1989), English Ornithologist
Horace-Bénédict de Saussure: (1740–1799), Swiss Naturalist
Hossein Gol-e-Golab: (1895-1985), Polymath Iranian Scholar
Howard Barraclough: (1917–1994), Professor Zoologist
Howard Odum: (1924-2002), American Ecologist
Howard Scott Gentry: (1903–1993), American Botanist
Howard T. Odum: (1924–2002), American Ecologist
Howard Walter Florey: (1898–1968), Pharmacologist
Howard Zahniser: (1906-1964), American Environmental Activist
Hugh Algernon Weddell: (1819–1877), English Botanist
Hugh Falconer: (1808–1865), Scottish Paleontologist
Hugh Lamprey: (1928–1996), British Ecologist
Hugo de Vries: (1848–1935), Dutch Botanist
Hugo Gunckel Lüer: (1901-1997), Chilean Botanist
Hugo von Mohl: (1805–1872), German Botanist
Humayun Abdulali: (1914–2001), Indian Ornithologist
Humphry Marshall (1722-1801), American Botanist
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I. M. Johnston: (1898-1960), (USA) Botanist
Ian Player: (1927-2014), South African Conservationist
Ibn al-Baitar: (1197-1248), Botanist
Ilkka Hanski: (1953-2016), Finnish Ecologist
Ilya Ilyich Mechnikov: (1845–1916), Russian MicroBiologist
Imre Frivaldszky: (1799-1870), Hungarian Botanist and Entomologist
Imre Frivaldszky: (1799–1870), Hungarian Botanist
Isaac Asimov: (1920-1992), American Author and Professor of Biochemistry
Isidore Geoffroy Saint-Hilaire: (1805–1861), French Zoologist
Ivan Pavlov: (1849–1936), Russian Physiologist, Psychologist and Physician – Nobel Prize Winner
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John Burdon Sanderson Haldane: (1892–1964), British-born Indian Scientist
J. Robin Warren: (Born 1937-), Australian Pathologist – Nobel Prize Winner
John Edward Gray: (1800–1875), British Zoologist
Jacob Georg Agardh: (1813–1901), Swedish Botanist
Jacqueline Kennedy Onassis: (1924–1994), American Activist, Writer
Jacques Bernard Hombron: (1798–1852), French Naturalist
Jacques Cousteau : Oceanographer, Marine Biologist
Jacques Cousteau: (1910–1997), French Marine Biologist and Explorer
Jacques Labillardière: (1755-1834), French Biologist
Jacques Loeb: (1859–1924), German-American Biologist
Jacques Miller: (Born 1931-), Australian Immunologist
Jacques Monod (1910–1976), Geneticist– Nobel Prize Winner
Jakob Friedrich Ehrhart: (1742-1795), German Botanist
Jakob Johan Adolf Appellöf: (1857–1921), Swedish Marine Zoologist
Jakob von Uexküll: (1864–1944), Estonian Biologist
Jakub Karol Parnas: (1884-1949), Jewish-Polish-Soviet Biochemist
James B. McGraw: (Born 1956-), American Ecologist
James Bond: (1900–1989), American Ornithologist
James Brown (Born 1942-) American Botanist
James Bulwer: (1794–1879), English Naturalist and Conchologist
James D. Watson: (Born 1928-), American Molecular Biologist – Nobel Prize Winner
James Donn: (1758–1813), English Botanist
James Edward Smith: (1759–1828), English Botanist
James Eustace Bagnall (1830-1918), English Naturalist
James Fisher: (1922–1970), English Ornithologist
James Francis Stephens: (1792–1853), English Zoologist
James Graham Cooper: (1830–1902), American Naturalist
James H. Brown: (Born 1942-) American Ecologist
James Hector: (1834–1907), Scottish Geologist, Naturalist, and Surgeon
James J. Collins: (Born 1965-) American Biologist
James Leonard Brierley Smith: (1897–1968), South African Ichthyologist
James Lovelock: (Born 1919-), English Chemist
James Marston Fitch (1909–2000), American Activist
James V. McConnell: (1925–1990), American Biological Psychologist
Jan Evangelista Purkyně: (1787–1869), Czech Anatomist and Physiologist
Jan Frederik Gronovius: (1690–1762), Dutch Botanist
Jan Ingenhousz: (1730–1799), Dutch-born British Botanist
Jan Svatopluk Presl (1791-1849), Bohemian Natural Scientist
Jan Swammerdam: (1637–1680), Dutch Biologist and Microscopist
Jane Goodall: (Born 1934-), British Primatologist, Ethologist and Anthropologist
Jane Jacobs: (1916–2006), American-Canadian Writer activist)
Jane Lubchenco: (Born 1947-), American Environmental Scientist
Jane S. Richardson: (Born 1941–), American Biophysicist
Janet Kear: (1933–2004), English Ornithologist
Janisse Ray: (Born 1962-), American Naturalist and Environmental Activist.
Japetus Steenstrup: (1813–1897), Danish Zoologist
Jean Baptiste Audebert: (1759–1800), French Naturalist
Jean Baptiste Leschenault de la Tour: (1773–1826), French Botanist
Jean Cabanis: (1816–1906), German Ornithologist
Jean Dorst: (1924–2001), French Ornithologist
Jean Guillaume Bruguière: (1750–1798), French Naturalist
Jean Henri Fabre: (1823–1915), French Entomologist
Jean Louis Armand de Quatrefages de Bréau: (1810–1892), French Naturalist
Jean Michel Claude Richard: (1787–1868), French Botanist, Plant Collector
Jean René Constant Quoy: (1790–1869), French Zoologist
Jean Senebier:, (1742-1809), Swiss Pastor
Jean Victoire Audouin: (1797–1841), French Zoologist
Jean Vincent Félix Lamouroux: , French Biologist and Naturalist
Jean-Baptiste Lamarck: (1744–1829), French Evolutionist
Jean-Marie Pelt: (Born 1933-), French Botanist
Jeff Corwin: (Born 1967-), Naturalist
Jeff Harvey: (Born 1957-), Biologist
Jens Clausen (1891-1969), Danish-American Botanist, Geneticist, and Ecologist.
Jeremy Griffith: (Born 1945-), Australian Zoologist
Jeremy Wade (Born 1956- ) Writer and TV presenter
Joan Roughgarden: (Born 1946-), American Ecologist and Evolutionary Biologist
Joel Asaph Allen: (1838–1921), American Zoologist, Mammalogist and Ornithologist
Joel Roberts Poinsett: (1779–1851), American Botanist
Joel Rosenbaum: (Born 1933-), Cell Biologist
Johan Christian Fabricius: (1745–1808), Danish Entomologist
Johann Anton Güldenstädt: (1745–1781), German Naturalist
Johann Baptist von Spix: (1781–1826), German Naturalist
Johann Bauhin: (1541-1613), Swiss Botanist
Johann Centurius Hoffmannsegg: (1766–1849), German Botanist, Entomologist and Ornithologist
Johann Christian Daniel von Schreber: (1739–1810), German Naturalist
Johann Christian Polycarp Erxleben: (1744–1777), German Naturalist
Johann David Schoepf: (1752–1800), German Botanist and Zoologist
Johann Ernst Gunnerus: (1718–1773), Norwegian Botanist
Johann Fischer von Waldheim: (1771–1853), German Entomologist
Johann Friedrich Adam: (18th century – 1806), Russian Botanist
Johann Friedrich Blumenbach: (1752–1840), German Physiologist and anthropologist
Johann Friedrich Gmelin: (1748–1804), German Naturalist
Johann Friedrich Naumann: (1780–1857), German Scientist
Johann Friedrich von Brandt: (1802–1879), German Naturalist
Johann Friedrich von Eschscholtz: (1793–1831), German Scientist
Johann Georg Gmelin: (1709–1755), German Naturalist
Johann Georg Wagler: (1800–1832), German Herpetologist
Johann Heinrich Friedrich Link: (1767-1851), German Naturalist and Botanist
Johann Hermann: (1738–1800), French Physician and Naturalist
Johann Jacob Dillenius: (1684–1747), German Botanist
Johann Jakob Kaup: (1803–1873), German Naturalist
Johann Karl Wilhelm Illiger: (1775–1813), German Entomologist
Johann Matthäus Bechstein: (1757–1822), German Naturalist
Johann Philipp Achilles Leisler: (1771–1813), Dutch Naturalist
Johann Reinhold Forster: (1729–1798), German Naturalist
Johann Wilhelm Meigen: (1764–1845), German Entomologist
Johannes Abraham Bierens de Haan: (1883–1953), Dutch Biologist and Ethologist
Johannes Bisse: (1935-1984), Cuban Botanist
Johannes Burman: (1707-1780), Dutch Botanist and Physician
Johannes Jacobus Smith: (1867–1947), Dutch Botanist
Johannes Thiele: (1860–1935), German Zoologist and Malacologist
John "Jack" Horner (Born 1946-), American Paleontologist
John Adolph Shafer: (1863-1918), American Botanist
John Bachman: (1790–1874), American Naturalist
John Bartram: (1699–1777), American Botanist
John Blackwall: (1790–1881), British Entomologist
John C. Frémont: (1813-1890), American Military Explorer
John C. Merriam: (1869–1945), American Biologist
John Carew Eccles: (1903–1997), Australian NeuroPhysiologist– Nobel Prize Winner
John Cassin: (1813–1869), American Ornithologist
John Claudius Loudon: (1783–1843), English Botanist
John Craig Venter: (Born 1946-), American, Human Genome Project.
John Ernest Weaver: (1884-1966), American Botanist
John Frederick Miller: (1759–1796), English Illustrator - (primarily of botany)
John Gerard: (1545–1611/12), English Botanist
John Gould: (1804–1881), English Ornithologist
John Hutchinson: (1884-1972), English Botanist
John Hutton Balfour: (1808–1884), Scottish Botanist
John James Audubon: (1786–1851), American Ornithologist
John Kendrew: (1917–1997), English Biochemist – Nobel Prize Winner
John Kirk Townsend: (1809–1851), American Ornithologist
John Kunkel Small: (1869–1938), American Botanist
John L. Harper: (1925-2009), British Biologist
John Latham: (1740–1837), English Naturalist
John Lightfoot: (1735–1788), English Conchologist and Botanist
John Lindley: (1799–1865), English Botanist
John Livingston: (1923-2006), Canadian Naturalist
John M. Darby: (1804-1877), American Botanist
John M. MacDougal: (Born 1954-), American Botanist
John Macadam: (1827-1865), Scottish-born Australian Botanist
John Macoun: (1831-1920), Irish-born Canadian Naturalist
John Martyn: (1699–1768), English Botanist
John Marwick: (1891–1978), New Zealand Palaeontologist and Geologist
John Maynard Smith: (1920–2004), Biologist
John Medley Wood: (1827-1915), South African Botanist
John Mitchell: (1711-1768), American Physician and Botanist
John Muir: (1838–1914), American Naturalist
John Murray: (1841–1914), Scots-Canadian Marine Biologist
John Needham: (1713–1781), English Naturalist
John Otterbein Snyder: (1867–1943), American Zoologist
John Patrick Micklethwait Brenan: (Born 1917-), British Botanist
John Ray: (1627–1705), English Naturalist
John Richardson: (1787–1865), Scottish Naturalist
John Scott Haldane: (1860–1936), British Physiologist.
John Sibthorp:(1758-1796), English Botanist
John Stevens Henslow: (1796–1861), English Botanist
John Struthers: (1823–1899), Scottish Anatomist
John T. Curtis: (1913-1961), American Botanist and Plant Ecologist
John Templeton: (1766-1825), Irish Naturalist and Botanist
John Terborgh: (Born 1937-), Professor
John Torrey: (1796–1873), American Botanist
John Tradescant the elder: (1570s-1638), English Naturalist
John Tradescant the younger: (1608-1662), Botanist
John White: (c. 1756–1832), English Botanist
John William Harshberger: (1869-1929), American Botanist
John Xantus de Vesey: (1825–1894), American Zoologist
Jonas C. Dryander: (1748–1810), Swedish Botanist
Jonas Salk: (1914–1995), American Biologist, inventor of polio vaccine
José Alberto de Oliveira Anchieta: (1832–1897), Portuguese Naturalist
José Cuatrecasas: (1903-1996), Botanist
José María de la Fuente Morales: (1855–1932), Spanish Biologist
Jose Restrepo: (1781-1863), Investigator
José Vicente Barbosa du Bocage: (1823–1907), Portuguese Zoologist
Josef Hyrtl: (1810–1894), Austrian anatomist
Joseph Banks: (1743–1820), Biologist, Botanist
Joseph Burke II: (1812-1873), Botanist
Joseph Charles Hippolyte Crosse: (1826–1898), French Conchologist
Joseph Dalton Hooker: (1817–1911), British Botanist
Joseph Franz von Jacquin: (1766-1839), Austrian Scientist
Joseph Gaertner: (1732–1791), German Botanist
Joseph Gerhard Zuccarini: (1797–1848), German Botanist
Joseph H. Connell: (Born 1923-), American Ecologist
Joseph LeConte: (1823–1901), Physiologist
Joseph Leidy: (1823–1891), American Paleontologist
Joseph Maiden: (1859-1925), Botanist
Joseph Needham: (1900—1995), British Scientist
Joseph Paul Gaimard: (1793–1858), French Naval Surgeon and Naturalist
Joseph Pitton de Tournefort: (1656–1708), French Botanist
Joseph Rock: (1884-1962), Austrian-American Explorer, Botanist
Joseph Sabine: (1770–1837), English Naturalist
Joseph Whipple Congdon: (1834-1910), Lawyer
Josif Pancic: (1814–1888), Serbian Botanist
Juan Ignacio Molina: (1740–1829), Chilean Naturalist
Juan Lembeye: (1816–1889), Spanish Naturalist
Judah Hirsch Quastel: (1899–1987), British-Canadian Biochemist
Jules Bordet: (1870–1961), Belgian Immunologist and MicroBiologist– Nobel Prize Winner
Jules Bourcier: (1797–1873), French Naturalist
Jules François Mabille: (1831–1904), French Malacologist
Jules Paul Benjamin Delessert: (1773-1847), French Banker and Naturalist
Jules Verreaux: (1807–1873), French Botanist and Ornithologist
Julián Acuña Galé: (1900-1973), Cuban Botanist
Julian Alfred Steyermark: (1909-1988), American Botanist
Julian Sorell Huxley: (1887–1975), English Zoologist
Julius Axelrod: (1912–2004), American Biochemist, – Nobel Prize Winner
Julius von Sachs: (1832–1897), German Botanist
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Kai Larsen: (Born 1926-), Danish Botanist
Kaibara Ekiken: (1630-1714), Japanese Botanist
Kailas Nath Kaul: (1905-1983), Indian Botanist, Naturalist
Karel Presl: (1794–1852), Bohemian Botanist
Karel Voous: (1920–2002), Dutch Ornithologist
Karl Alfred von Zittel: (1839–1904), German Palaeontologist
Karl August von Bergen: (1704-1759), German Anatomist, Botanist
Karl Eichwald: (1795–1876), Russian geologist and Physician
Karl Ernst von Baer: (1792–1876), Embryologist
Karl Julius Perleb: (1794-1845), German Botanist and Natural Scientist
Karl Koch: (1809–1879), German Botanist
Karl Ludwig Philipp Zeyher: (1799-1858), Botanical and Insert Collector
Karl Patterson Schmidt: (USA) (1890-1957), Herpetologist
Karl Rudolphi: (1771–1832), German Physiologist
Karl Stetter: (Born 1941-), German MicroBiologist
Karl Theodor Hartweg:(1812–1871), German Botanist
Karl von Frisch: (1886–1982), Austrian Ethologist – Nobel Prize Winner
Karl Wernicke: (1848–1905), German Physician and Neuroanatomist
Karl Wilhelm von Nageli: (1817–1891), Swiss Botanist
Kary Mullis: (Born 1944-), Biologist
Kaspar Maria von Sternberg: (1761–1838), Bohemian Botanist
Katherine Esau: (1898-1997), German-American Botanist
Keisuke Ito: (1803-1901), Japanese Physician and Biologist
Kenneth R. Miller: (1948-), American evolutionary Biologist.
Kewal Krishan: (Born 1973-), Biological Anthropologist
Knud Jessen: (1884-1971), Danish Botanist
Konrad Emil Bloch: (1912–2000), German-American – Nobel Prize Winner
Konrad Lorenz: (1903–1989), Austrian Founder of Ethology
Konstantin Merezhkovsky: (1855-1921), Russian Biologist and Botanist
Kurt Dinter:(1868-1945), German Botanist
Kurt Sprengel: (1766–1833), German Botanist
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Ladislav Mucina: (Born 1956-), Slovakian Botanist
Lars Levi Laestadius: (1800-1861), Swedish Same Pastor
Lauritz Kolderup Rosenvinge: (1858-1939), Danish Botanist and Phycologist
Lawrence Alexander Sidney Johnson: (1986-1997), Botanist
Lawrence B. Slobodkin: (1928-2009), American Ecologist
Lazzaro Spallanzani: (1729–1799), Italian Biologist
Lee H. Nelson: (1927–1994) American governmental Administrator, Writer, Teacher
Leo George Hertlein: (1898–1972), American Paleontologist and Malacologist
Leo Margolis: (1927–1997), Canadian Fisheries Parasitologist
Leonard Plukenet:(1641-1706), English Botanist
Leonardo da Vinci: (1452–1519), Italian Polymath
Leonardo Fea: (1852–1903), Italian Zoologist
Leonhard Hess Stejneger: (1851–1943), Norwegian Zoologist
Leonhard Rauwolf:(1535-1596), German Botanist
Leonhart Fuchs: (1501–1566), German Botanist
Leonor Michaelis: (1875–1949), German Biologist
Leonty Ramensky: (1884-1953), Russia Plant Ecologist
Leopold Fitzinger: (1802–1884), Austrian Zoologist
Leopold von Schrenck: (1826–1894), Russo-German Zoologist
Leroy Hood: (Born 1939-), American Biochemist
Les Beilinson AIA: (1946-2013) American Architect, Preservationist
Lewis J. Feldman: (Born 1945-), American Botanist
Lewis Weston Dillwyn: (1778–1855), British Botanist and Conchologist
Libbie Hyman: (1888–1969), invertebrate Zoologist
Liberty Hyde Bailey: (1858–1954), American Botanist
Linda B. Buck: (Born 1947-), American Physiologist – Nobel Prize Winner
Linus Pauling: (1901–1994) American, 1954 Nobel Prize in Chemistry
Liz Blackburn: (Born 1948-) – Nobel Prize Winner
Lone Drøscher Nielsen: (Born 1964-), Danish Wildlife Conservationist
Lorenz Oken: (1779–1851), German Naturalist
Louis Agassiz: (1807–1873), Swiss Zoologist
Louis Agassiz Fuertes: (1874–1927), American Ornithologist
Louis Alexandre Henri Joseph Piré: (1827-1887), Belgian Botanist
Louis Augustin Guillaume Bosc: (1759–1828), French Zoologist
Louis B. Marshall: (1856-1929), American lawyer and Jewish Leader
Louis Charles Birch: (1918-2009), Australian Geneticist
Louis Claude Richard: (1754–1821), French Botanist
Louis François Auguste Souleyet: (1811–1852), French Zoologist
Louis Jean Pierre Vieillot: (1748–1831), French Ornithologist
Louis Nicolas: (1634-1682), French Missionary
Louis Pasteur: (1822–1895), French Biochemist
Louis-Marie Aubert du Petit-Thouars: (1758–1831), French Botanist
Louis-Ovide Brunet: (1826-1876), French-Canadian Botanist
Lovell Augustus Reeve: (1814–1865), English Conchologist
Luc Montagnier: (Born 1932-), French Virologist
Luca Ghini: (1490–1566), Italian Botanist
Lucien Marcus Underwood: (1853-1907), American Botanist
Ludwig Karl Georg Pfeiffer: (1805-1877), German Physician, Botanist and Conchologist
Ludwig Reichenbach: (1793–1879), German Botanist and Ornithologist
Luigi Fenaroli:(1899-1980), Italian Botanist
Luther Burbank: (1849–1926), American Horticulturalist
Lynn Margulis: (Born 1938-), American MicroBiologist
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Maarten 't Hart:(Born 1944), Dutch Biologist and Writer
Marc Lacroix (Born 1963-),Biochemist
Marcello Malpighi: (1628–1694), Italian anatomist and Biologist
Margaret Bryan Davis: (Born 1931-), Paleoecologist
Margaret Morse Nice: (1883–1974), American Ornithologist
Margaret Murie: (1902-2003), Naturalist
Margot Gayle: (1908–2008), American Journalist, Activist
Marie Jules César Savigny: (1777–1851)French Zoologist
Marjorie Courtenay-Latimer: (1907–2004), South African Zoologist
Mark A. O'Neill,: British Biologist and Computer Scientist
Mark Catesby: (1683–1749), English Naturalist
Mark McMenamin: (Born 1958), American Paleontologist
Marlice van Vuuren: Conservationist and Broadcaster
Marmaduke Tunstall: (1743–1790), English Ornithologist
Marshall Warren Nirenberg: (Born 1927-) – Nobel Prize Winner
Martha Chase: (1927–2003), American Geneticist
Martin Lichtenstein: (1780–1867), German Zoologist
Martin Rodbell: (1925–1998), American Biochemist
Martín Sessé y Lacasta: (1751-1808), Spanish Botanist
Martin Vahl: (1749–1804), Norwegian Botanist
Martinus Beijerinck: (1851–1931), Dutch MicroBiologist and Botanist
Martinus Houttuyn: (1720–1798), Dutch Naturalist
Masatoshi Nei: (Born 1931-), American Evolutionary Biologist
Mathurin Jacques Brisson: (1723–1806), French Zoologist
Matthias Jakob Schleiden: (1804–1881), German Botanist
Maud Leonora Menten: (1879-1960), Biologist
Maude Menten: (1879–1960), Canadian Physician-Scientist
Maurice Wilkins: (1916–2004), New Zealand-born British Physicist and Molecular Biologist
Maurício Rocha e Silva: (1910–1983),Brazilian Physician, Biomedical scientist and Pharmacologist
Max Delbrück: (1906–1981), German Physicist and Biologist
Max Henius: (1859–1935,) Danish-American Biochemist
Max Perutz: (1914–2002), British – Nobel Prize Winner
Maximilian Spinola (1780–1857), Entomologist
Melchior Treub: (1851–1910), Dutch Botanist
Michael Gazzaniga: (Born 1939-) American Cognitive Neuroscientist
Michael Pakenham Edgeworth: (1812-1881), Irish Botanist
Michael Rogers Oldfield Thomas: (1858–1929), British Zoologist
Michael Rosenzweig: (Born 1941-) Ecologist
Michael S. Engel: (Born 1971), American Paleontologist and Entomologist
Michael Sars: (1809–1869), Norwegian Taxonomist
Michael Zohary: (1898-1983)
Michel Adanson: (1727–1806), French Naturalist
Michel Felix Dunal:(1789–1856), French Botanist
Miguel Rolando Covian: (1913–1992), Argentine-Brazilian neuroPhysiologist
Mikhail Tsvet: (1872-1919), Russian-Italian Botanist
Miles Joseph Berkeley: (1803-1889), English Cryptogamist and Clergyman
Min Chueh Chang: (1908–1991), Biologist
Miriam Louisa Rothschild:(1908–2005), British Entomologist
Morten Pedersen Porsild: (1872-1956), Danish Botanist
Morten Thrane Brünnich: (1737–1827), Danish Zoologist
Motoo Kimura: (1924–1994), Japanese mathematical Biologist
Mriganka Sur: (Born 1953), Indian Cognitive Neuroscientist
Murray Fife Buell: (1905-1975), American Ecologist and Palynologist
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Nancy Adams
Nathan Cobb: (1859–1932), American Biologist
Nathanael Pringsheim:(1823-1894), German Botanist
Nathaniel Lord Britton: (1859–1934), American Botanist
Nathaniel Wallich: (1786–1854), Danish Botanist
Nehemiah Grew: (1641-1712), English Plant Anatomist
Nelson Hairston: (1917-2008), American Ecologist
Nettie Maria Stevens (1861–1912), American Biologist
Nicholai Miklukho-Maklai: (1846–1888), Russian Biologist and Anthropologist
Nicholas Aylward Vigors:(1785–1840), Irish Zoologist
Nicholas Culpeper: (1616–1654), English Botanist
Nicholas Edward Brown:(1849-1934), English Plant Taxonomist
Nicholas Rowan Baker: (Born 1972-), Naturalist
Nicolaas Laurens Burman:(1734-1793), Dutch Botanist
Nicolas Baudin: (1754–1803), French Botanist
Niko Tinbergen: (1907–1988), Dutch ethologist
Nikolai Alekseevich Severtzov: (1827–1885), Russian Naturalist
Nikolai Przhevalsky: (1839–1888), Russian explorer
Nikolai Vavilov: (1887–1943), Soviet Botanist
Nikolaus Ager: (1568–1634), French Botanist
Nikolaus Joseph von Jacquin: (1727–1817), Dutch-born Austrian Botanist
Nils Hjalmar Odhner: (1884–1973), Swedish Zoologist
Norman Borlaug: (Born 1914), American Agricultural Scientist, Humanitarian – Nobel Prize Winner
Norman Boyd Kinnear: (1882–1957), Scottish Zoologist
Norman Clyde: (1885–1972), Naturalist
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Octavius Pickard-Cambridge: (1828–1917), English Entomologist
Olaf Hagerup:(1889-1961), Danish Botanist
Olaus Murie: - Wilderness Activist
Oliver Rackham:(1939-2015), Historical Ecologist
Olivier Jules Richard: (1836–1896), French lichenologist
Olof Swartz: (1760–1816), Swedish Botanist
Oskar Heinroth: (1871–1945), German Biologist
Oswaldo Vital Brazil: (1865–1950), Brazilian Physician and ImmunoBiologist
Othniel Charles Marsh: (1831–1899), Paleontology
Otto Andreas Lowson Mörch: (1828–1878), Malacologist
Otto Finsch: (1839–1917), German Naturalist
Otto Friedrich Müller: (1730–1784), Danish Naturalist
Otto Fritz Meyerhof: (1884–1951), German/American Physician and Biochemist – Nobel Prize Winner
Otto von Münchhausen: (1716–1774), German Botanist
Otto Wilhelm Sonder:(1812-1881), German Botanist
Ove Paulsen:(1874-1947), Danish Botanist
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Pablo de la Llave:(1773-1833), Naturalist
Paracelsus: (1493–1541), German alchemist
Patrick Bateson (Born 1938-), English Biologist and Science Writer
Patrick Browne: (1720-1790), Physician and Botanist
Paul Carpenter Standley: (1884-1963), American Botanist
Paul D. Boyer: (Born 1918-), American – Nobel Prize Winner
Paul Ehrlich: (1854–1915), German Immunologist – Nobel Prize Winner
Paul Émile de Puydt:(1810–1888), Belgian Botanist
Paul Erdmann Isert: (1756–1789), German Botanist
Paul Matschie: (1861–1926), German Zoologist
Paul Maurice Pallary: (1869–1942), French-Algerian Malacologist
Paul Möhring: (1710–1792), German Naturalist
Paul Nurse: (Born 1949-), British – Nobel Prize Winner
Paul Pelseneer: (1863–1945), Belgian Malacologist
Paul Petard: (1912–1980), French Botanist
Paul R. Ehrlich (Born 1932), American
Paul Sears: (1891-1990), American Ecologist
Paul Watson: (Born 1950-), Environmental Activist
Pavel Grošelj: (1883–1940), Biologist
Pedanius Dioscorides: (c.40-90 AD) Physician, Pharmacologist and Botanist
Pedro Alberch i Vié: (1954–1998), Spanish Naturalist
Pehr Kalm: (1716–1779), Swedish Botanist
Per Axel Rydberg:(1860-1931), Swedish-born, American Botanist
Percy Lowe: (1870–1948), English Ornithologist
Peter Artedi: (1705–1735), Swedish Naturalist
Peter Collinson:(1694-1768),Horticulturist
Peter D. Mitchell:(1920–1992) British – Nobel Prize Winner
Peter Forsskål: (1732–1763), Swedish Naturalist
Peter Friedrich Röding: (1767–1846), German Malacologist
Peter Gustaf Tengmalm: (1754–1803), Swedish Naturalist
Peter H. Raven:(Born 1936-), Botanist, Environmentalist
Peter J. Grubb: (Born 1935-), British Ecologist
Peter MacOwan:(1830-1909), Botanist
Peter Scott (1909–1989), British Ornithologist
Peter Simon Pallas: (1741–1811), Russian Zoologist
Peter Veitch:(1850-1929), Horticulturist
Peter Vitousek: (Born 1949-), American Ecologist
Peter Wilhelm Lund: (1801–1880), Danish Zoologist and Paleontologist
Philibert Commerçon:(1727-1773), French Naturalist
Philip Barker Webb: (1793–1854), English Botanist
Philip Henry Gosse: (1810–1888), English Naturalist
Philip Hershkovitz: (1909–1997), American Mammalogist
Philip Miller: (1691–1771), Scottish Botanist
Philip Pearsall Carpenter: (1819–1877), Conchologist
Philip Sclater: (1829–1913), English Zoologist
Philipp Franz von Siebold: (1796–1866), German Botanist
Philipp Jakob Cretzschmar : (1786–1845), German Zoologist
Philipp Ludwig Statius Müller: (1725–1776), German Zoologist
Phoebus Levene: (1863–1940), American Biochemist
Pierre André Latreille: (1762–1833), French Entomologist
Pierre Antoine Delalande: (1787–1823), French Naturalist
Pierre Dénys de Montfort: (1766–1820), French Naturalist
Pierre Jean Marie Delavay:(1834-1895), French Botanist
Pierre Magnol:(1638-17150, French Botanist
Pierre Sonnerat:(1748-1814), French Naturalist
Pierre-Paul Grassé: (1895–1985), French Zoologist
Pieter Bleeker: (1819–1878), Dutch Ichthyologist
Pieter Boddaert: (1730–1795 or 1796), Naturalist
Pius Font i Quer:(1888-1964), Botanist
Pliny the Elder (AD 23–AD 79), Roman Natural Philosopher
Polly Matzinger: (Born 1974-), American immunologist
Prideaux John Selby: (1788–1867), English Botanist and Ornithologist
Prince Alexander Philipp Maximilian zu Wied-Neuwied: (1782–1867), German Biologist.
Prosper Garnot: (1794–1838), French Naturalist
Prospero Alpini: (1553–1617), Italian Botanist
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Rachel Carson: (1907–1964), Biologist
Ralf Reski: (Born 1958-), German Botanist and Biotechnologist
Ramon Margalef: (1919–2004), Spanish-Catalan Biologist and Ecologist
Randolph M. Nesse: (Born 1945-), American Evolutionary Biologist and Psychiatrist
Raymond Lindeman: (1915-1942), Ecologist
Reginald Farrer:(1880-1920), Traveller and Plant Collector
Reginald Innes Pocock: (1863–1947), British Taxonomist
Rembert Dodoens: (1517–1585), Flemish Botanist
Renato Dulbecco: (1914–2012), Biologist
Rene Dubos: (1901-1982), French-born American Microbiologist
René Louiche Desfontaines:(1750-1833), French Botanist
René Louiche Desfontaines: (1750–1833), French Botanist
Rene Primevere Lesson: (1794–1849), French Naturalist
Richard Anthony Salisbury: (1761–1829), British Botanist
Richard Axel: (Born 1946-), Physiologist – Nobel Prize Winner
Richard Bowdler Sharpe: (1847–1909), English Zoologist
Richard Bradley:(1688-1732), English Naturalist
Richard D. Alexander: (Born 1930-), American Evolutionary Biologist
Richard Dawkins: (Born 1941-), British Evolutionary Biologist
Richard Dell: (1920–2002), New Zealand Malacologist
Richard Harlan: (1796–1843), American Naturalist, Zoologist, Physicist and Paleontologist
Richard Henry Beddome:(1830-1911), British Naturalist
Richard Levins: (1930-20160), Ecologist
Richard Lewontin: (Born 1929-), Biologist
Richard Lydekker: (1849–1915), English Naturalist
Richard Owen: (1804–1892), Biologist
Richard Pearce:(1835-1868), Victorian Plant Collector
Richard Spruce: (1817–1893), English Botanist
Rita Levi-Montalcini: (Born 1909-), Italian-American Neurologist – Nobel Prize Winner
Roald Amundsen: Norwegian Explorer
Robert Allen Dyer:(1900-1987), Botanist, Taxonomist
Robert Almer Harper:(1862-1946), American Botanist
Robert Bárány: (1876–1936), Austrian Physician – Nobel Prize Winner
Robert Bentley: (1821–1893), English Botanist
Robert Broom: (1866–1951), South African Paleontologist
Robert Brown: (1773–1858), Botanist
Robert Fiske Griggs: (1881-1962), Botanist
Robert Fortune: (1813–1880), Scottish Botanist
Robert Gallo: (Born 1937-), American Virologist
Robert Hooke (1635–1703), British Natural Philosopher
Robert J. Naiman: (Born 1947-), Professor
Robert Kerr: (1755–1813), Scottish Surgeon
Robert Koch: (1843–1910), German Physician and Bacteriologist – Nobel Prize Winner
Robert MacArthur: (1930-1972), Canadian-born American Ecologist
Robert May (Born 1936-), Biologist, Physicist, Mathematician
Robert Morison:(1620-1683), Scottish Botanish, Taxonomist
Robert Patterson: (1802–1872), Irish Naturalist
Robert Ridgway: (1850–1929), American Ornithologist
Robert Rosen (1934–1998), Theoretical Biologist
Robert Sapolsky: (Born 1957-), American Neuroscientist
Robert Sterling Yard: (1861-1945), Wilderness Activitist
Robert Swinhoe: (1836–1877), English Naturalist
Robert Trivers: (Born 1943-), Evolutionary Biologist
Robert Ulanowicz: (Born 1943-), Theoretical Ecologist
Robert Weinberg (Born 1942-), Cancer Biologist
Robert Whittaker: (1920-1980), American Plant Ecologist
Robert Wiedersheim: (1848–1923), German Anatomist.
Robin Dunbar: (Born 1947-), Italian Virologist
Roderick Nash: author of "Wilderness and the American Mind"
Rodolfo Amando Philippi: (1808–1904), German-Chilean Zoologist
Rodolphe Meyer de Schauensee (1901–1984), American Ornithologist
Roger D. Kornberg: (Born 1947-), American Biochemist – Nobel Prize Winner
Roger David Spencer:(Born 1945-), Australian Horticulturist Botanist
Roger Morse (1927–2000), professor, researcher, author, on bees/beekeeping
Roger W. Sperry: (1913–1994), American Neuropsychologist – Nobel Prize Winner
Rogers McVaugh:(1909-2009), Professor of Botany
Rolf Anker Ims: (Born 1958-), Norwegian Ecologist
Rolf Singer: (1906–1994), German born mycologist
Rolla Kent Beattie:(1875-1960), American Botanist and Plant Pathologist
Rollo Beck: (1870–1950), American Ornithologist
Ronald Fisher: (1890–1962), British Biologist and Statistician
Ronald Plasterk: (Born 1957-), Dutch Molecular Biologist, Columnist and Politician
Rosalind Franklin, (1920–1958), X-ray Crystallographer
Rudolf Jakob Camerarius (1665–1721), German Botanist
Rudolf Kaufmann: (1909-c1941), Trilobitologist
Rudolf Marloth:(1855-1931), German-born South African Botanist
Rudolf Schlechter:(1872-1925), German Taxonomist, Botanist
Rudolf Virchow: (1821–1902), German Biologist and Pathologist
Rudolph Bergh: (1824–1909), Danish Physician and Zoologist
Rudolph Schoenheimer: (1898–1941), German/US BioChemist
Ruth Patrick: (1907-2013), Botanist and Limnologist
Ruth Turner: (1915–2000), Marine Biologist
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S. Theodore Baskaran wild life conservationist.
Salim Ali: (1896–1987), Indian Ornithologist
Salomon Muller: (1804–1864), Dutch Naturalist
Salvador Luria: (1912–1991), MicroBiologist – Nobel Prize Winner
Samuel Botsford Buckley:(1809–1884), American Naturalist
Samuel Gottlieb Gmelin: (1744–1774), German Botanist
Samuel Joseph McNaughton: (Born 1939-), American Ecologist
Samuel Stillman Berry: (1887–1984), U.S. marine Zoologist
Samuel Stutchbury: (1798–1859), English Naturalist and Geologist
Samuel Tickell (1811–1875), British Ornithologist
Samuel Victor Perry: (1918–2009), British, pioneer in muscle research
Santiago Ramón y Cajal: (1852–1934), Spanish Histologist – Nobel Prize Winner
Sarah Blaffer Hrdy: (Born 1946-), U.S. Anthropologist
Schack August Steenberg Krogh: (1874–1949), Danish Physiologist – Nobel Prize Winner
Sean B. Carroll: American evolutionary development Biologist
Sebastien Vaillant: (1669–1722), French Botanist
Selman Waksman: (1888–1973), American Biochemist – Nobel Prize Winner
Selmar Schonland: (1860-1940), Botanist
Sereno Watson (1826-1892), American Botanist
Sergei Chetverikov: (1880–1959), Russian Population Geneticist
Sergei Winogradsky: (1856–1953), Russian microBiologist, Ecologist
Sérgio Ferreira: (Born 1934-), Brazilian Pharmacologist
Sewall Wright: (1889–1988), American geneticist, co-founder of population genetics
Shen Kuo: (1031-1095), Geologist, Zoologist, Botanist, Agronomist
Sidney Altman: (Born 1939-), Canadian-born Molecular Biologist – Nobel Prize Winner
Simon A. Levin: (1941), American Ecologist
Simon Syrenius: (1540-1611), Polish Botanist
Sir Bernard Katz: (1911–2003), German-born, – Nobel Prize Winner
Sir Charles Scott Sherrington: (1857–1922), British Physiologist and Neuroscientist – Nobel Prize Winner
Sir Ernest Kennaway (1881–1958), British Pathologist
Sir Hans Adolf Krebs:(1900–1981), German – Nobel Prize Winner
Sir Hans Kornberg: (Born 1928-), British. Microbial Biochemistry
Solomon H. Snyder: (Born 1938-), American Neuroscientist
Spencer Fullerton Baird: (1823–1887), birds and mammals
Stanley Cohen: (Born 1922-), American Biologist – Nobel Prize Winner
Stefano Delle Chiaje (1794–1860), Italian
Stephan Ladislaus Endlicher: (1804–1849), Austrian Botanist
Stephanie Peay: (Born 1959-), British Ecologist and Crayfish Researcher
Stephen Alfred Forbes: (USA)- (1844-1930), American Entomologist, Ecologist
Stephen Hubbell: (USA)- (1942), American Ecologist
Stephen Jay Gould: (1941–2002), American Paleontologist
Stephen L. Buchmann: co-author of The Forgotten Pollinators
Stephen Troyte Dunn: (1868-1938), British Botanist
Steve Backshall: (1973), English Naturalist
Steve Irwin: (1962-2006), Australian Wildlife Expert, Australian zookeeper, documentary film maker and activist
Steven Block: (Born 1952-), American Biophysicist
Stewart Springer: (1906–1991), American Ichthyologist
Stuart Alan Kauffman: (Born 1939-), Biologist
Su Song: (1020-1101 AD), Scientist, Zoologist, Botanist, Mineralogist
Suresh Rattan : (Born 1955-), Indian Biogerontologist
Susumu Tonegawa: (Born 1939-), Japanese Biologist – Nobel Prize Winner
Sveinn Pálsson: (1762-1840), Icelandic Naturalist
Sydney Brenner: (Born 1927-), British Molecular Biologist – Nobel Prize Winner
Sylvanus Charles Thorp Hanley: (1819–1899), British Conchologist and Malacologist
Sylvia Earle: (Born 1935-), American Oceanographer
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Tikhon Rabotnov: (Russia/Soviet Union)- (1904-2000), Russian Plant Ecologist
Temple Grandin: (Born 1947-), American Animal Scientist
Teresa Maryańska: Poland, Paleontologist
Terri Irwin: (1964), American-Australian Naturalist
Thaddeus Mann: (1908–1993), British Reproductive Biologist.
Thekla Resvoll: (1871-1948), Norwegian Botanist
Theodor Eimer: (1843–1898), German Zoologist
Theodor Schwann (1810–1882), German Physiologist
Theodosius Dobzhansky: (1900–1975), Biologist
Theophrastus: (372 BC – 287 BC), Biologist
Thomas B. Kornberg: (Born 1948-), American Biochemist
Thomas Bainbrigge Fletcher: (1878–1950), English Entomologist
Thomas Bell: (1792–1880), English Naturalist
Thomas Bewick : (1753–1828), English Ornithologist
Thomas Blakiston: (1832–1891), English Naturalist
Thomas C. Jerdon: (1811–1872), British Zoologist and Botanist
Thomas Campbell Eyton: (1809–1880), English Naturalist
Thomas D. Brock: (Born 1926-), American Biologist
Thomas Frederic Cheeseman: (1846–1923), New Zealand Botanist and Naturalist.
Thomas Hardwicke: (1755–1835), English Naturalist
Thomas Henry Huxley: (1825–1895), English Zoologist
Thomas Horsfield:(1773–1859), American Naturalist
Thomas Hunt Morgan: (1868–1945), American Geneticist
Thomas Littleton Powys: (1833–1896), English Ornithologist
Thomas Lobb: (1817-1894),British Botanist
Thomas Martyn: (1735–1825), English Botanist, Entomologist and Conchologist
Thomas Mayo Brewer: (1814–1880), American Naturalist
Thomas Nuttall: (1786–1858), English Botanist and Zoologist
Thomas Pennant: (1726–1798), Welsh Naturalist
Thomas Robertson Sim: (1858-1938), Botanist, Bryologist, Botanical Artist
Thomas Say: (1787–1843), American Naturalist
Thomas Stamford Raffles: (1781–1826), British Statesman
Thomas Stewart Traill: (1781–1862), Scottish doctor and Naturalist
Tim Flannery: (1956-), Australian Biologist
Tim Lee: (Born 1977-), Comedian
Timothy Abbott Conrad: (1803–1877), American Malacologist
Titian Peale: (1799–1885), American Naturalist
Tom Brown: (Born 1950-), American Naturalist
Tom Iredale: (1880–1972), English Conchologist and Ornithologist
Tom Tutin: (1908-1987), Professor of Botany
Tommaso di Maria Allery Monterosato: (1841–1927) : Italian Malacologist
Tomoko Ohta: (Born 1933-), Japanese molecular evolutionary Biologist
Torsten Wiesel: (Born 1924-), Swedish-born American NeuroBiologist – Nobel Prize Winner
Trofim Lysenko: (1898–1976), Soviet Biologist and Agronomist
Tyge W. Böcher: (1909-1983), Danish Botanist, Evolutionary Biologist, Plant Ecologist and Phytogeographer
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V. C. Wynne-Edwards (1906–1997), English Zoologist
Valerie Daggett: American Bioengineer
Valerius Cordus: (1515-1544), German Physician and Botanist
Vernon Heywood: (1927), British Biologist
Victor Ernest Shelford: (1877-1968)- (USA), American Zoologist and Animal Ecologist
Victor Jacquemont: (1801-1832), French Botanist and Geologist
Victor Westhoff: (1916–2001), Dutch Botanist
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W.H. Dall: (1845–1927), American Naturalist and Malacologist.
Walter Baldwin Spencer: (1860–1929), English Biologist and anthropologist
Walter Buller: (1838–1906), New Zealand Naturalist
Walter Davis: (1847-1930), English Plant Collector
Walter Dobrogosz: (Born 1933-), American MicroBiologist
Walter Gilbert:(Born 1932-), American Molecular Biologist – Nobel Prize Winner
Walter Greiling: (1900–1986), German, worked in the field of agricultural microbiology.
Walter Muir Whitehill: (1908–2008) American author, historian)
Walter Rothschild: (1868–1937), British Zoologist
Walther Flemming: (1843–1905), German Physician and anatomist, discoverer of mitosis and chromosomes
Wangari Maathai: (1940-2011), Political Activist – Nobel Prize Winner
Warder Clyde Allee: (1885–1955), American Zoologist and Ecologist, identified the Allee effect
Warren Ewens: American mathematical population geneticist
Warren H. Wagner: (1920–2000), American Botanist
Warwick Estevam Kerr: (Born 1922-), Brazilian Geneticist
Wayne L. Hubbell: (Born 1943-), American, Biochemist
Wenceslas Bojer: (1795-1856),Naturalist and Botanist
Wen-Hsiung Li: (Born 1942-) Biologist
Werner Rothmaler: (1908-1962), German Botanist
Wilfred Backhouse Alexander: (1885–1965), English Ornithologist
Wilhelm Gueinzius: (1813-1874), German Naturalist
Wilhelm Hemprich: (1796–1825), German Naturalist
Wilhelm Johannsen: (1857–1927), - (coined the term gene)
Wilhelm Kobelt: (1840–1916), German Zoologist and Malacologist
Wilhelm Peters: (1815–1883), German Naturalist
Willi Hennig: (1913–1976) German Biologist
William Adamson: (1731–1793), Scottish Botanist
William Aiton: (1731-1793), Scottish Botanist
William Astbury: (1898–1961), English Biologist
William Bartram: (1739–1823), American Naturalist
William Brewster: (1851–1919), American Ornithologist
William Bullock: (1773–1849), English Naturalist
William Casson: (1796-1886),English Botanist
William Charles Osman Hill: (1901–1975), British Anatomist
William Cooper: (1798–1864), American Conchologist
William Curtis: (1746–1799), English Botanist
William D. Francis: (1889-1959), notable Australian Botanist
William Diller Matthew: (1871–1930), American Paleontologist
William Donald Hamilton: (1936–2000), British evolutionary Biologist
William Dwight Billings: (USA)- (1910-1997), American Ecologist
William E. Castle: (1867–1962), American geneticist
William Elford Leach: (1790–1836), English Zoologist and Marine Biologist
William Gambel: (1823–1849), American Naturalist
William Grey Walter: (1910–1977), American NeuroPhysiologist and Roboticist
William Griffith: (1810-1845), British Naturalist and Botanist
William Guybon Atherstone: (1814-1898), Naturalist and Geologist
William H. Schlesinger: (USA)- (1950), Biogeochemist
William Henry Brewer: (1828-1910), American Botanist
William Henry Harvey: (1811–1866), Irish Botanist
William Henry Hudson: (1841–1922), Argentinian-British Ornithologist
William J. Murtagh: ( American governmental historian, writer)
William Jackson Hooker: (1785–1865), British Botanist, Director of Kew Botanic Gardens
William James Beal: (1833-1924), American Botanist
William Jardine: (1800–1874), Scottish Naturalist
William John Burchell:(1781-1863),English Explorer, Naturalist
William John Swainson: (1789–1855), English Ornithologist, Malacologist, Conchologist, Entomologist and artist
William Keble Martin: (1877-1969), British Botanist
William King Gregory: (1876–1970), American Zoologist
William Kirby: (1759–1850), English Entomologist
William Lobb:(1809-1864), Cornish Plant Collector
William MacGillivray: (1796–1852), Scottish Naturalist
William McCalla: (1814-1849), Irish Naturalist
William Morton Wheeler: (1865–1937), American Entomologist and MyrmEcologist
William O. Douglas: (1898-1980), American Jurist
William Ogilby: (1808–1873), Irish Naturalist
William Orville Ayres: (1817–1887), American Physician and Ichthyologist
William Paterson: (1755–1810), British Botanist and Explorer
William Purdom: (1880-1921), British Plan Explorer
William Robert Ogilvie-Grant: (1863–1924), Scottish Ornithologist
William Roxburgh: (1759–1815), Scottish Botanist
William Russell Dudley: (1849-1911), American Botanist
William Saunders: (1822–1900), American Botanist
William Skinner Cooper: (USA) - (1884-1978), American Ecologist
William Thomas Blanford: (1832–1905), English Naturalist
William Thompson: (1805–1852), Irish Ornithologist and Naturalist
William Turner: (1509-1568), Herbalist and Ornithologist
William Turton: (1762–1835), British Naturalist
William W. Murdoch: (USA) - (1939), Professor of Population Ecology
William Watson: (1715-1787), English Scientist
William Withering: (1741–1799), English Botanist
William Yarrell: (1784–1856), English Naturalist
Willie Smits: (Born 1957-), Forester, Conservationist, Wilderness Engineer
Wilson Teixeira Beraldo: (1917–1998), Brazilian Physician and Physiologist
Winston Ponder: (1944), Australian Malacologist
Wladyslaw Taczanowski: (1819–1890), Polish Zoologist
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Yvon Chouinard: (1938)- Environmentalist
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Zbigniew Kabata: (Born 1924-), Polish Parasitologist
Zheng Ji: (1900–2010),Biochemist
Zofia Kielan-Jaworowska: (Born 1925-), Polish Paleontologist