Edmond C Gruss

Edmond C. Gruss was professor emeritus at The Master's College in Santa Clarita, California, and the author of The Ouija Board, The Jehovah's Witnesses and Prophetic Speculation, Apostles of Denial, and several other books on the cults and the occult.

Edmond C. Gruss was professor emeritus at The Master's College in Santa Clarita, California, and the author of The Ouija Board, The Jehovah's Witnesses and Prophetic Speculation, Apostles of Denial, and several other books on the cults and the occult. See less