S. L. Macgregor Mathers
S. L. MacGregor Mathers (1854–1918) was a prominent scholar and key leader of the occult revival of the Western Mystery Tradition in the late 1800s. He held high office in the esoteric fraternal order of Rosicrucians and with other luminaries of his time and founded the Hermetic Order of the Golden Dawn. Mathers was a prolific editor and author.Joseph Peterson has been studying and translating religious and esoteric texts for decades. He has a degree in Chemical Engineering from the University of Minnesota, where he also studied various languages and religions. He lives near Rochester, Minnesota.