Seyyed Hossein Nasr is University of Islamic Studies Professor at George Washington University. He is the author of the forthcoming The Need for a Sacred Science, and has written Islamic Art and Spirituality, Islamic Life and Thought, Knowledge and the Sacred, Sufi Essays, and co-authored Expectations of the Millenium: Shi'ism in History and Shi'ism: Doctrines, Thought, and Spirituality, all published by SUNY Press.