Pope Francis to declare St. Irenaeus a Doctor of the Church with title ‘Doctor of Unity’ A stained-glass window by Lucien Bégule depicting St. Irenaeus at the Church of St, Irenaeus in Lyon, France. / Gérald Gambier via Wikimedia (Public Domain). Read more about Pope Francis to declare St. Irenaeus a Doctor of the Church with title ‘Doctor of Unity’
