1875 - 1947
Aleister Crowley was an English occultist, ceremonial magician, poet, and mountaineer, born on October 12, 1875. He is best known for founding the religious philosophy of Thelema, promoting the idea of individual will as the ultimate guiding principle. Crowley's writings and teachings have had a significant influence on modern esoteric traditions and are often associated with the counterculture movements of the 20th century.