Rolf A. Stein (1911-1999) is widely considered to be one of the preeminent Tibetologists of the twentieth century. He published extensively in the fields of Tibetan, East- and Southeast Asian religion and society. He held professorships at the École des Hautes Études (comparative religion) and the Collège de France.Arthur P. McKeown is finishing his Ph.D. in Tibetan Studies at Harvard University with a dissertation on the Tibetan and Chinese travels of the fifteenth century Indian abbot of Vajrāsana, Śāriputra. He has recently completed, with Leonard van der Kuijp, "Bcom ldan Rag gri (1227-1305) on Indian Buddhist Logic and Epistemology: His Commentary on Dignāga's Pramāṇasamuccaya" (Austrian Academy of Social Sciences).