W.B. Yeats Twentieth Century Magus is a comprehensive study of his magical practices and beliefs. Yeats moved through many different phases of spiritual development, believing that his life was an intellectual, spiritual, and artistic questa quest greatly influenced by Celtic lore, Theosophy, Golden Dawn ceremonial magic, Swedenborg's metaphysics, the works of Jacob Boehme, and NeoPlatonism. For Yeats, writing poetry was an act of...