. . . "Timothy Leary"@en . "1996-05-31Z"^^ . "1920-10-22Z"^^ . . . "1996Z"^^ . "Timothy Francis Leary"@en . . . "Psychologist and advocate" . . . . . "1920Z"^^ . . . "Timothy Francis Leary (October 22, 1920 \u2013 May 31, 1996) was an American psychologist and writer known for advocating psychedelic drugs. Leary conducted experiments under the Harvard Psilocybin Project during American legality of LSD and psilocybin, resulting in the Concord Prison Experiment and the Marsh Chapel Experiment."@en . "Leary, Timothy Francis"@en .