John DeSalvo holds a Ph.D. in biophysics and, for more than 30 years, scientifically studied the Shroud of Turin. A former college professor and current director of the Great Pyramid of Giza Research Association, he is the author of many books, including The Lost Art of Enochian Magic, Andrew Jackson Davis: The First American Prophet and Clairvoyant and Decoding the Pyramids. He is a frequent guest on Coast to Coast AM radio and other shows. He lives in Plymouth, Minnesota.