O.T.O.
The Ordo Templi Orientis (OTO) is a mystical and initiatory organization founded in the early 20th century, primarily known for its associations with the esoteric teachings of Aleister Crowley. Established in 1904, the OTO originally aimed to promote a blend of Western esotericism, ceremonial magic, and various philosophical traditions. The organization has roots in the earlier Rosicrucian and Masonic traditions, which influenced its structure and rituals. One of the defining moments in the history of the OTO was Crowley’s involvement in the organization, particularly after he became the head of the British branch in 1912. Crowley’s teachings and writings, particularly “The Book of the Law,” published in 1904, became foundational texts for the OTO. This work introduced the philosophy of Thelema, which emphasizes the primacy of individual will and the pursuit of true knowledge and enlightenment. The OTO is structured into various degrees of initiation, each representing a progressive jo...