Eusebius (of Caesarea, Bishop of Caesarea), Socrates (Scholasticus), Sozomen, Theodoret (Bishop of Cyrrhus.), Saint Jerome, Saint Gennadius I (Patriarch of Constantinople), Rufinus (of Aquileia), Saint Athanasius (Patriarch of Alexandria), Saint Gregory (of Nyssa), Saint Cyril (Bishop of Jerusalem), Saint Gregory (of Nazianzus), Saint Basil (Bishop of Caesarea), Saint Hilary (Bishop of Poitiers), Saint John (of Damascus), Saint Ambrose (Bishop of Milan), Saint Vincent (of Lérins), John Cassian, Pope Leo I, Pope Gregory I, Saint Ephraem (Syrus), Aphraates (the Persian sage)