en Cuevana 3. Robert Thurman focuses on the Buddha, the Dharma and the Sangha in this three-part lecture series. He explains the Buddha as the teacher of enlightenment, the Dharma as the teaching and the Sangha as the historical and current community of learners. Robert Thurman is professor of Indo-Tibetan studies in the Department of Religion at Columbia University and one of the West's foremost scholars of Tibetan Buddhism.