Alfred Spring Evans (August 21, 1917, in Buffalo, New York—January 21, 1996, in North Branford, Connecticut) was an American viral epidemiologist and professor of epidemiology at the Yale University School of Medicine and the Yale School of Public Health.
[2] Evans served as a public health officer in Japan as part of his active duty service during World War II, where he became interested in the work of epidemiologist John R. Paul.
He subsequently received a fellowship to study infectious mononucleosis with Paul at Yale.
During the Korean War, he returned to active duty and served as chief of the Hepatitis Research Laboratory at the 98th General Hospital in Munich, Germany.
[4] In 1982, he was appointed the John Rodman Paul Professor of Epidemiology at the Yale School of Medicine,[5] a position he retained until he retired in 1994.