Gerhard Böwering has been Professor of Islamic Studies in the Department of Religious Studies since 1984. He taught previously at the University of Pennsylvania and has been a visiting professor at the University of Innsbruck, Princeton University, and the Institute for Advanced Study at Princeton. He has published The Mystical Vision of Existence in Classical Islam, Berlin-New York 1980; The Minor Qur’an Commentary of al-Sulami, Beirut 1995, 2nd ed. 1997; Sufi Treatises, Beirut 2009; Sufi Inquiries and Interpretations, Beirut 2010; and The Comfort of the Mystics, Leiden 2013; as well as numerous articles, including those in the Encyclopaedia of Islam, the Encyclopedia of the Qur’an, and the Encyclopaedia Iranica. He is the editor-in-chief of The Princeton Encyclopedia of Islamic Political Thought, Princeton 2012; Work in progress includes the following books: Islam and Christianity: the Inner Dynamics of Two Cultures of Belief, Notre Dame University Press; and The Dreams and Labors of a Central Asian Muslim Mystic. He was the recipient of a Mellon fellowship (1992), a Guggenheim Fellowship (2005-2006), and a fellowship from the Institute for Advanced Study, Princeton (2006). In 2004-2005 he gave the Erasmus Lectures at Notre Dame. He has been a member of the American Philosophical Society since 1994.