Michael Whitby is Emeritus Professor at the University of Birmingham. His many publications include The Cambridge Ancient History XIV, Late Antiquity, Empire and Successors A.D. 425-600 (Cambridge University Press 2000) co-edited with Averil Cameron and Bryan Ward-Perkins; with Jeff Childers and Claudia Rapp, Mark the Deacon: The Life of Porphyry of Gaza (Translated Texts for Historians 89, LUP 2025); with David Gwynn and Richard Price, Documents of the Early 'Arian' Controversy and the Council of Nicaea (Translated Texts for Historians 91, LUP 2025) and Monastic Saints of Constantinople, 350-500 The Lives of Isaac, Hypatius, Marcellus, Domnica, Auxentius, and John the Calybite (Translated Texts for Historians 92, LUP 2026).