Hermetic Order of the Golden Dawn
From Tardis Wiki, the free Doctor Who reference
The Hermetic Order of the Golden Dawn (more commonly known as the Golden Dawn) was a secret society devoted to the study and practice of the occult, metaphysics, and paranormal activities during the late 19th and early 20th centuries.
Archibald Flint studied their beliefs and thought that Aleister Crowley was a prophet, and that he was a Messiah who could change and control the world (AUDIO: The Spectre of Lanyon Moor)