Documents and the History of the Early Islamic World

Alexander T. Schubert received his Ph.D. in ancient history from Cornell University in 2000. He is currently the executive director of the European College of Neuropsychopharmacology. Petra M. Sijpesteijn holds the Chair of Arabic Language and Culture at Leiden University and is Chargee de recherche at the Institut de Recherche et Histoire des Textes at the Centre National de la Recherche Scientifique (CNRS) in Paris. She obtained her Ph.D. in Near Eastern Studies from Princeton University in 2004, and was a junior research fellow at Christ Church, Oxford (2003-2007). She is the author of "The Formation of a Muslim State in late Umayyad Egypt" (Oxford 2013)."