A physician and brother of St. Gregory Nazianzen, St. Caesarius studied in Alexandria with incredible success and became the first man of his age in medicine. He perfected himself in this profession at Constantinople. He was singularly honored by Julian the Apostate, nominated his first physician and excepted in several edicts which that prince published against the Christians. He resisted the artifices with which that prince endeavored to seduce him and was prevailed upon by his father and brother to resign his places at court. A narrow escape in an earthquake at Nice in Bithynia in 368 worked so powerfully on his mind that he renounced the world, and died shortly after in the beginning of the year 369, leaving the poor his heirs.