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American politician, 26th President of the United States

American author, global ecologist, filmmaker

English-brazilian biologist

African American botanist and inventor

American poet, essayist, naturalist, and abolitionist

Scottish-American naturalist

American ornithologist, marine biologist, entomologist, and explorer

American avant-garde composer

American ichthyologist and educator

American sociologist and paleontologist

American theoretical physicist, futurist and author

American molecular biologist

American biologist

Gastroenterologist and Professor of Medicine

American anthropologist, educator, philosopher, and natural science writer

American behaviorist

American ecologist

American paleontologist and biologist

American artist

American evolutionary biologist

Russian-American novelist, lepidopterist, professor

Canadian science writer

American microbiologist

American scientist

American ornithologist, naturalist, and painter

American molecular biologist, geneticist, and zoologist

American biostatistician and a pioneer in animal breeding

Hungarian composer and pianist

American geneticist

American epidemiologist

American pathology researcher, author, and Latter Day Saint historian

German-American zoologist

American biologist

American zoologist

American geneticist

Indian botanist

U.S. entomologist

American mycologist

American ecologist

American geneticist