Richard MGregor is Assistant Professor of Religious Studies and Islamic Studies at Vanderbilt University. His primary field of research is mediaeval Egypt and Syria, with a focus on intellectual history, visual culture, and Sufisminfo-icon. He is author ofSanctity and Mysticism in Medieval Egypt (2004), a study of the evolution of theories of religious authority among mystics of mediaeval Cairo. He is also co-editor with Adam Sabra of Le développement du soufisme en Égypte à l'époque mamelouke (2006), and is currently at work on a study of religious practice centred on processions, banners, pilgrimage, and iconoclasm.