Amy Heller, diplôme of the Ecole Pratique des Hautes Etudes (1992), is affiliated with the Paris CNRS Tibetan studies unit since 1986. She has published extensively on Tibetan rituals and art history, as well as Tibetan Art, Tracing the development of art and spirituality in Tibet (1999) (translated into French, Italian and Spanish). She is currently studying the cultural history of Dolpo.Giacomella Orofino, Ph.D. (1985) in Tibetan Studies, University of Rome "La Sapienza", is Associate Professor of Tibetology at the University of Naples "L'Orientale". She is author of numerous books and articles on Indo-Tibetan religious literature, philology and cultural history.