Василий Великий
Those who wrote in Greek are called the Greek (Church) Fathers. Famous Greek Fathers include: Irenaeus of Lyons, Clement of Alexandria, the heterodox Origen, Athanasius of Alexandria, John Chrysostom, Cyril of Alexandria and the Cappadocian Fathers (Basil of Caesarea, Gregory Nazianzus, Peter of Sebaste and Gregory of Nyssa.