In 1941 McMurtry was initiated into the Minerval and I° of Ordo Templi Orientis (O.T.O.), a secret society headed at the time by Aleister Crowley.
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Crowley died in December 1947, and Germer was recognized as the head of O.T.O. At the time the only functioning Thelemic O.T.O. body in the world was Agape Lodge in Southern California, which was headed for a time by McMurtry's friend Jack Parsons.
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Grady Louis McMurtry (October 18, 1918 – July 12, 1985) was a student of author and occultist Aleister Crowley and an adherent of Thelema.
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