Robert G. Hoyland (born 1966) is a historian, specializing in the medieval history of the Middle East. He was a student of historian Patricia Crone and was a Leverhulme Fellow at Pembroke College, Oxford. He is currently Professor of Late Antique and Early Islamic Middle Eastern History at New York University's Institute for the Study of the Ancient World, having previously been Professor of Islamic history at the University of Oxford's Faculty of Oriental Studies and a professor of history at the University of St. Andrews and UCLA. Source: Wikipedia (en)