FrenchÂ biologist,Â microbiologist, & chemist, born in 1822, & known for discovering the principles ofÂ vaccination.
AmericanÂ primatologistÂ known for extensive study ofÂ mountain gorillas from 1966 until her 1985 murder.
Antoine van Leeuwenhoek
Dutch microscopist born in 1632. He was the first to observe bacteria and protozoa.
French-American microbiologist, experimental pathologist, humanist, environmentalist, & author born in 1901.
EnglishÂ polymath,Â scientist, & architect born in 1635. First to visualize a micro-organism.
Scottish biologist, physician, microbiologist, & pharmacologist best known for discovering penicillin.
André Hubert Dumont
Belgian biologist & professor of minerology & geology born in 1809.
EnglishÂ biologistÂ andÂ anthropologistÂ specializing inÂ comparative anatomy born in 1825.