Irenaeus preceded Tertullian as one of the early Christian apologists and defenders of the Pristine Faith against the Gnostic heretics. He was bishop of the church in Lyons, a city of Gaul (France). Irenaeus was a disciple of Polycarp, who had been taught by John the Apostle. He frequently appealed to Apostolic oral tradition in … Continue reading What did Irenaeus Believe?