▁ 3 1 , ▁ 1 9 9 6 ) ▁was ▁an ▁American ▁psych ologist ▁and ▁writer ▁known ▁for ▁his ▁strong ▁advoc acy ▁of ▁psych ed el ic ▁dru gs . ▁Op in ions ▁of ▁Le ary ▁are ▁polar ized , ▁r anging ▁from ▁bold ▁oracle ▁to ▁public ity ▁h ound . ▁He ▁was ▁" a ▁hero ▁of ▁American ▁conscious ness ," ▁according ▁to ▁Allen ▁G ins berg , ▁and ▁Tom ▁Rob b ins ▁called ▁him ▁a ▁" bra ve ▁neur onaut ." ▁But ▁to ▁Louis ▁Men and , ▁it ▁was ▁a ▁put - on : ▁" The ▁only ▁things ▁Le ary ▁was ▁serious ▁about ▁were ▁pleasure ▁and ▁ren own ." ▁Le ary ▁was ▁not ▁a ▁see ker ▁of ▁truth , ▁according ▁to ▁Men and : ▁" He ▁liked ▁women , ▁he ▁liked ▁being ▁the ▁center ▁of ▁attention , ▁and ▁he ▁liked ▁to ▁get ▁high ." ▁ ▁As ▁a ▁clin ical ▁psych ologist ▁at ▁Harvard ▁University , ▁Le ary ▁worked ▁on ▁the ▁Harvard ▁Ps il ocy bin ▁Project ▁from ▁ 1 9 6 0 – 6 2 ▁( L SD ▁and ▁ps il ocy bin ▁were ▁still ▁legal ▁in ▁the ▁United ▁States ▁at ▁the ▁time ), ▁resulting ▁in ▁the ▁Con cord ▁Pr ison ▁Ex periment ▁and ▁the ▁Marsh ▁Chap el ▁Ex periment . ▁The ▁scientific ▁legit im acy ▁and ▁eth ics ▁of ▁his ▁research ▁were ▁question ed ▁by ▁other ▁Harvard ▁fac ulty ▁because ▁he ▁took ▁psych ed el ics ▁along ▁with ▁research ▁subjects ▁and ▁press ured ▁students ▁to ▁join ▁in . ▁Le ary