No area, it seems, is more prone to exaggeration and falsification than the occult. What can we ever really know about this compelling but elusive subject? What’s the truth about such subjects as the prophecies of Nostradamus, the secret history of the life of Jesus, and the reality of angels and devils? In this lecture, Richard Smoley, drawing on his new book "Supernatural: Writings on an Unknown History," will explore these subjects. 2013.