Mark J. Edwards is tutor in theology at Christ Church and university lecturer in patristics at the University of Oxford. Among his publications are Neoplatonic Saints; Origen Against Plato; John Through the Centuries; Constantine and Christendom, and Culture and Philosophy in the Age of Plotinus. He also served as the volume editor for Galatians, Ephesians, Philippians, New Testament volume 8 of the Ancient Christian Commentary on Scripture and editor of We Believe in the Crucified and Risen Lord (Volume 3, Ancient Christian Doctrine.) Joan Histon is a writer, trained counsellor and Methodist local preacher. She has written books, short stories and the occasional newspaper article.