Traces the use of powerful gnostic visionary techniques from Hellenistic Gnosticism and Jewish merkabah mysticism, through Muhammad, the Ismaeilis, and theosophical Sufism to medieval neoplatonism, and renaissance alchemy.

Gnosis traces the use of powerful gnostic visionary techniques from Hellenistic Gnosticism and Jewish merkabah mysticism, through Muhammad, the Ismaeilis, and theosophical Sufism to medieval neoplatonism, and renaissance alchemy.

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Dan Merkur is a Lecturer in the Department for the Study of Religion at the University of Toronto.

"I like the passion and enthusiasm of an author in touch with something real who pursues it with an open mind. Implicit here is the author's seriousness and commitment. He believes his subject makes a difference and he communicates this to the reader. The author's perspective gives some startling and important insights into a tradition that is for the most part unknown and ignored." — Christopher Bamford, Lindisfarne Press