List of Biologists

Joseph Gaertner (1732–1791), German botanist
François Gagnepain (1866–1952), French botanist
Joseph Paul Gaimard (1796–1858), French
Biruté Galdikas (born 1946), Canadian primatologist, conducted pioneering studies on orangutans
Robert Gallo (born 1937), American virologist and co-discoverer of HIV
William Gambel (1823–1849), American naturalist
Prosper Garnot (1794–1838), French naturalist
Charles Gaudichaud-Beaupré (1789–1854), French botanist
Michael Gazzaniga, American cognitive neuroscientist, best known for his research on split-brain patients
Howard Scott Gentry (1903–1993), American botanist
John Gerard (1545–1611/12), English botanist
Conrad von Gesner (1516–1565), Swiss naturalist (abbr. in botany: Gesner)
Luca Ghini (1490–1566), Italian botanist
Clelia Giacobini (1931–2010), Italian microbiologist, a pioneer of microbiology applied to conservation-restoration
John H. Gillespie, American molecular evolutionist and population geneticist
Charles Henry Gimingham (born 1923), British botanist
Charles Frédéric Girard (1822–1895), French biologist, ichthyologist, herpetologist
Johann Friedrich Gmelin (1748–1804), German naturalist (abbr. in botany: J.F.Gmel.)
Johann Georg Gmelin (1709–1755), German naturalist (abbr. in botany: J.G.Gmel.)
Samuel Gottlieb Gmelin (1744–1774), German botanist (abbr. in botany: S.G.Gmel.)
Frederick DuCane Godman (1834–1919), English naturalist and ornithologist
Émil Goeldi (1859–1917), Swiss-Brazilian naturalist and zoologist
Johann Wolfgang von Goethe (1749–1832), known for his literary works but also a scientist. In biology: his theory of plant metamorphosis stipulated that all plant formation stems from a modification of the Leaf.
Camillo Golgi (1843–1926), Italian physician and Nobel prize winner, pioneer in neurobiology
Jane Goodall (born 1934), British primatologist, ethologist and anthropologist, best known for conducting a forty-year study of chimpanzee social and family life.
George Gordon (1806–1879), British botanist
Philip Henry Gosse (1810–1888), English naturalist
Augustus Addison Gould (1805–1866), American conchologist.
John Gould (1804–1881), English ornithologist
Stephen Jay Gould (1941–2002), American paleontologist
Alfred Grandidier (1836–1921), French naturalist and explorer
Guillaume Grandidier (1873–1957), French naturalist and explorer son of Alfred Grandidier
Temple Grandin (born 1947), American animal scientist; world-renowned as a designer of humane livestock facilities and for her writings on her experience with autism
Chapman Grant (1887–1983), American herpetologist
Pierre-Paul Grassé (1895–1985), French zoologist
Asa Gray (1810–1888), American botanist
George Robert Gray (1808–1872), English zoologist
J.E. Gray (1800–1875), British zoologist
Andrew Jackson Grayson (1819–1869), American ornithologist
William King Gregory (1876–1970), American zoologist
Edward Grey, 1st Viscount Grey of Fallodon (1862–1933), British ornithologist
Frederick Griffith (1879-1941), British bacteriologist
Jan Frederik Gronovius (1690–1762), Dutch botanist
Pavel Grošelj (1883–1940), biologist and belletrist
Félix Édouard Guérin-Méneville (1799–1874), French entomologist
Johann Anton Güldenstädt (1745–1781), German naturalist
Allvar Gullstrand (1862–1930), Swedish ophthalmologist, winner of the 1911 Nobel Prize for Physiology or Medicine "for research on the image formation by the lens of the eye"
Johann Ernst Gunnerus (1718–1773), Norwegian botanist
Albert C. L. G. Günther (1830–1914), British/German zoologist