Samuel Liddell (or Liddel) "MacGregor" Mathers, born as Samuel Liddell (January 8 or 11, 1854 – November 5 or 20, 1918), was one of the most influential figures in modern Occultism. He is primarily known as one of the founders of the Hermetic Order of the Golden Dawn, a ceremonial magic order whose offshoots still exist today.
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