Was an Austrian behaviorist and one of the principal founders of ethology, a branch of sciences that attempts to gain a deeper insight of behavioral patterns in animals.
Was an American pharmacologist and biochemist who was famous for her scientific discovery of drugs to treat leukemia and herpes and to prevent the rejection of kidney transplants.
was an American scientist in the field of genetics, and Nobel Prize in Physiology or Medicine Nobel laureate who with Edward Lawrie Tatum discovered the role of genes in regulating biochemical events within cells in 1958.