This biography of Aleister Crowley provides an in-depth look at the life and work of one of the most influential occultists of the 20th century. From his early days as a member of the Hermetic Order of the Golden Dawn to his later years as a prolific
From Wikipedia
Aleister Crowley was an English occultist, ceremonial magician, poet, novelist, mountaineer, and painter. He identified as the prophet entrusted with guiding humanity into the Æon of Horus in the early 20th century, founding the religion of Thelema. A prolific writer, he published widely over the course of his life.