John Muir was an influential Scottish-American naturalist, conservationist, and writer, deeply dedicated to preserving the nations wilderness.
Rachel Carson was an American marine biologist, conservationist, and author whose groundbreaking work, Silent Spring, sparked the environmental movement.
Dian Fossey was an American zoologist and primatologist who dedicated her life to studying and protecting mountain gorillas in Rwanda, becoming a leading advocate for their conservation.
William Beebe was a pioneering American naturalist, ornithologist, and marine biologist who explored and documented the wonders of the natural world.