Birutė Galdikas (1946–), German primatologist and conservationist Margaret Sylvia Gilliland (1917–1990), Australian biochemist Jane Goodall (1934–), British biologist, primatologist Isabella Gordon (1901–1988), Scottish marine biologist Susan Greenfield (1951–), British neurophysiologist (neurophysiology of the brain, popularisation of science) Charlotte Elliott (1883–1974), American plant physiologist Constance Endicott Hartt (1900–1984), American botanist Eliza Amy Hodgson (1888–1983), New Zealand botanist