Oswald Wirth (1860-1943) was a Swiss occultist, artist and author. He was a student of Elphaas Levi and was mentored by Stanislas de Guaita.
Mary Greer is an author and teacher and a Grandmaster of the American Tarot Association. She is a member of numerous Tarot organizations, and is featured at Tarot conferences and symposia in the United States and abroad. She is the
founder and director of the learning center T.A.R.O.T. (Tools and Rites of Transformation) and the author of several books, including 21 Ways to Read a Tarot Card and Who Are You In the Tarot?. Visit her at: http://marygreer.wordpress.com.