Timothy Leary

Timothy Francis Leary was an American psychologist and writer known for advocating the exploration of the therapeutic potential of psychedelic drugs under controlled conditions. As a clinical psychologist at Harvard University, Leary conducted experiments under the Harvard Psilocybin Project in 1960–62 (LSD and psilocybin were still legal in the United States at the time), resulting in the Concord Prison Experiment and the Marsh Chapel Experiment. The scientific legitimacy and ethics of his research were questioned by other Harvard faculty because …