Related Information for Aleister Crowley Aleister Crowley, born Edward Alexander Crowley, (12 October 1875 – 1 December 1947; was an English occultist, prolific writer, mystic, hedonist, aficionado of chess and mountainclimbing, and sexual revolutionary.Crowley himself claimed to be a Freemason, but the legitimacy of his claims have been disputed.Other interests and accomplishments were wide-ranging—he was a chess master, mountain climber, poet, painter, astrologer, drug experimenter, and social critic. He is perhaps best kn.. read more