Timothy Leary (1920-1996) was a psychologist, author, lecturer, and cult figure. He was best known for having popularized the use of mind-altering drugs in the 1960s.

Timothy Leary was born October 22, 1920, in Springfield, Massachusetts. He was educated at Holy Cross College, the U.S. Military Academy, the University of Alabama (A.B., 1943), Washington State University (M.S., 1946), and the University of California at Berkeley (Ph.D., 1950). During World War II, Leary served in the U.S. Army, achieving the rank of sergeant in the Medical Corps. Subsequently he was an assistant professor at the University of California; director of psychiatric research at the Kaiser Foundation, Oakland, California; and a lecturer in psychology at Harvard University.

Tuned In To LSD

At Harvard, Leary became interested in the properties of hallucinogenic drugs, notably a compound known as LSD (d-lysergic acid diethylamide). He and his colleague Richard Alpert were propagandists for...