Tsangnyon Heruka (Gtsang smyon Heruka, 1452-1507), the self- proclaimed "madman of Central Tibet," was both an iconoclastic tantric master and a celebrated author, best known for his versions of The Life of Milarepa and The Hundred Thousand Songs of Milarepa. Andrew Quintman is an assistant professor of religious studies at Yale. He served as the academic director of the School of International Training's Tibetan studies program based in Katmandu for seven years. Donald S. Lopez, Jr., specializes in late Indian Mahayana Buddhism and in Tibetan Buddhism. He is Arthur E. Link Distinguished Professor and department chair at the University of Michigan, and was elected to the American Academy of Arts and Sciences in 2000.