Johannes Hahn is Professor of Ancient History at Münster University. He has published primarily on Roman Imperial History and Late Antiquity, including Gewalt und religiöser Konflikt. He is editor of several volumes on religion, violence, and society in the Later Roman Empire.
Volker Menze is Associate Professor of Late Antique History at the Central European University. His publications include Justinian and the Making of the Syrian Orthodox Church. He is currently working on a monograph titled The Last Pharaoh of Alexandria: Patriarch Dioscorus and Ecclesiastical Politics in the Later Roman Empire.