in psychology summa cum laude from Columbia University in 1953 and his doctorate in 1956 under William N. Schoenfeld.
After graduating from Columbia, Hearst was stationed at Walter Reed Army Medical Center and worked in the departments of experimental psychology and neurophysiology for two years.
[1] From 1958 to 1964, Hearst was a senior experimental psychologist with the National Institute of Mental Health and St. Elizabeths Hospital.
[1] He then took a fellowship at the Royal College of Surgeons of England and worked under John Vane.
[1] Hearst entered academia in 1965, joining the faculty of the University of Missouri as a professor of psychology and moved to Indiana University in 1967, teaching courses on animal behavior, learning theory, and history of psychology.