CAESARIUS OF NAZIANZUS (c. 330-368), brother of Gregory of Nazianzus, studied at Alexandria and then be came a physician. After three years in Constantinople he returned to Nazianzus in 358 and practised at the court of .Constantius and of Julian the Apostate. Under the Emperor Valens he became quaestor of Bithynia. The Dialogues under his name in Migne's Patr. Graeca. 38 are probably spurious.