Hershey, Alfred Day (1908–1997)
Alfred Hershey was a US biologist shared the 1969 Nobel Prize in Physiology or Medicine for his
part in discovering the way viruses reproduce.
Through his study of bacteriophages,
Hershey confirmed that the nucleic acid RNA is solely responsible for infection and subsequent viral development. He
was director of the Spring harbor Laboratory from 1962–74.