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-editor with Averil Cameron and Bryan Ward-Perkins; Theodore Syncellus: The Homilies 'On the Robe and 'On the Siege' (Translated Texts for Historians 86, LUP 2024); with Richard Price, Theodore of Sykeon: The Life by George and the Encomium by Nicephorus the Treasurer (Translated Texts for Historians 87, LUP 2024) and with Jeff Childers and Claudia Rapp, Mark the Deacon: The Life of Porphyry of Gaza (Translated Texts for Historians 89, LUP 2025). Mary Whitby is Instructor in Greek and Latin in the University of Oxford and Lecturer in Ancient Greek at Merton College, Oxford. She is a General Editor of the Translated Texts for Historians series.