This work offers a comprehensive examination of how Philip Melanchthon (1497-1560) -- a great philologist, pedagogue, and theologian of the Reformation -- used Greek patristic sources throughout his extensive career. The Cappadocian Fathers (here identified as Gregory Thaumaturgus, Basil of Caesarea, Gregory Nazianzen, and Gregory of Nyssa) were received through the medieval period to be exemplary theologians. In the hands of Melanchthon, they become...