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).Richard Price is Professor Emeritus of the History of Christianity, Heythrop College and Honorary Research Fellow, Royal Holloway, University of London. His many previous publications include The Acts of the Lateran Synod of 649 (with P. Booth & C. Cubitt, Liverpool 2014), The Acts of the Second Council of Nicaea (Liverpool 2018), The Council of Ephesus of 431 (with T. Graumann, Liverpool 2020), Canons of the Quinisext Council (691/2) (Liverpool 2020) and The Acts of the Council of Constantinople of 869-70 (with Federico Montinaro, Liverpool 2022).

• MapsAbbreviationsIntroductionThe Life by GeorgeAppendices to Life 1. Germia: Christ’s Robe, the Myriangeli, and Justinian’s Pilgrimage 2. The Church to the Archangel Michael at Sykeon 3. Changes from Festugière’s text. 4. Glossary 5. Biblical Citations and ReferencesIntroduction to EncomiumThe Encomium by NicephorusBibliographyIndices