John Behr is the Regius Professor of Humanity at the University of Aberdeen, previously having been at St Vladimir’s Seminary, New York, where he also served as Dean. His recent publications include an edition and translation of Origen’s On First Principles (OUP, 2018) and John the Theologian and His Paschal Gospel: A Prologue to Theology (OUP, 2019). He has just completed a new edition and translation of Gregory of Nyssa: On the Human Image of God (aka On the Making of Man) (OUP, 2023).