In what year did the founder of the Salk Institute for Biological Studies die?
Jonas Salk Jonas Edward Salk ( ; October 28, 1914June 23, 1995) was an American medical researcher and virologist. He discovered and developed one of the first successful polio vaccines. Born in New York City, he attended New York University School of Medicine, later choosing to do medical research instead of becoming a practicing physician. In 1939, after earning his medical degree, Salk began an internship as a scientist physician at Mount Sinai Hospital. Two years later he was granted a fellowship at the University of Michigan, where he would study flu viruses with his mentor Thomas Francis, Jr..
Joseph S. Fruton Joseph Stewart Fruton (May 14, 1912 – July 29, 2007), born Joseph Fruchtgarten, was a Jewish Polish-American biochemist and historian of science. His most significant scientific work involved synthetic peptides and their interactions with proteases; with his wife Sofia Simmonds he also published an influential textbook, "General Biochemistry" (1953; 1958). From 1970 until his death, Fruton worked extensively on the history of science, particularly the history of biochemistry and molecular biology.