One of the Fathers of the Greek Church; of Jewish descent; flourished in the 4th century; led a monastic life, and founded a monastery in Eleutheropolis; was bishop of Constantia in 367; bigoted and tyrannical, he became notorious for his ecclesiastical zeal, and for his indictments of Origen and St. Chrysostom; left writings that show great but indiscriminate learning (330-402).