Mark DelCogliano is Professor of Theology at the University of St. Thomas (St. Paul, Minnesota). His research focuses on patristic doctrinal debates, theological developments, and scriptural exegesis in Late Antiquity. Author of Basil of Caesarea's Anti-Eunomian Theory of Names (Brill, 2010), as well as several volumes of translations of patristic texts, he is also one of the four co-editors of The Cambridge Edition of Early Christian Writings. In this series he edited Volume 3: Christ: Through the Nestorian Controversy, and Volume 4: Christ: Chalcedon and Beyond (Cambridge University Press, 2022).Lewis Ayres is Professor of Catholic and Historical Theology at Durham University. He publishes on early Christian theology, specifically on the Trinitarian controversies of the fourth century, on the formation of Christian biblical exegesis in the first three centuries of the Christian era, and on post-Chalcedonian Christology. He also works on some themes in modern Catholic theology, particularly the relationship between Tradition, the nature of biblical exegesis, and the nature of theological reasoning. He studied at St Andrews and Oxford, and has taught in the UK, US, Ireland, and Rome.