Robert A. Powell is an internationally known author, teacher, movement therapist, and co-founder of The Sophia Foundation of North America. After completing his master's degree in mathematics at England's University of Sussex, he underwent four years of intensive training in eurythmy – a new form of sacred movement – at the Goetheanum in Dornach, Switzerland. His writings include: The Hermetic Astrology Trilogy; The Christ Mystery; and The Most Holy Trinosophia. He is also known for his translations of Meditations on the Tarot - A Journey into Christian Hermeticism; and Covenant of the Heart by Valentin Tomberg. Together with Michael Briach he publishes the yearly Christian Star Calendar. He currently lives in southern Germany.