Successful 4th-century lawyer who gave up the worldly life to live as a hermit. Bishop of Iconium. Worked with Saint Basil to govern the Church in Cappadocia. Friend of Saint Gregory of Nazianzen who wrote highly of him. Attended the Council of Constantinople in 381. Worked with Saint Jerome. Supported the theological teaching on the Divinity of the Holy Ghost. Opposed Macedonius. Presided over the Council at Sida in Pamphylia.