Frithjof Schuon (1907-1998) is the foremost representative of the “perennialist” or “traditionalist” school of comparative religious thought, well-known for its espousal of the “transcendent unity of religions.” Schuon is the author of over thirty books on metaphysics, comparative religion, art, philosophy, poetry, and spirituality.

James S. Cutsinger is an author, editor, and teacher whose writings focus primarily on Perennialism and the theology and spirituality of the Christian East. He is professor of Theology and Religious Thought at the University of South Carolina.