Today is the anniversary of the 1985 passing of Major Grady Louis McMurtry aka Hymenaeus Alpha. McMurty took the reins of Ordo Templi Orientis in 1969 based on written authorization from Aleister Crowley and working with the tiny remnant of active members at that time, started the Order on its path to revival.

Source: Anniversary of the Death of Major Grady Louis McMurtry – Zero Equals Two!