Kurt Tropper, Dr. phil. (2001) in Tibetan and Buddhist Studies, is Research Fellow and Lecturer of Classical Tibetan at the University of Vienna. He has published several monographs and articles in the field of Tibetan epigraphy. Cristina Scherrer-Schaub is Buddhologist and Tibetologist, and President of the International Association of Buddhist Studies. She is Professor at the University of Lausanne (Switzerland) and Directeur d'Études at the École Pratique des Hautes Études Paris (France) and the author of several publications in the field of Old Tibetan and Buddhist Studies.