Fr. D. Vincent Twomey, S.V.D., holds both a Ph.D. in Theology and is Professor Emeritus of Moral Theology at the Pontifical University of St. Patrick's College, Maynooth, Ireland. He is also a former doctoral student of Joseph Ratzinger, having studied under the man who is now Pope Benedict XVI at the University of Regensburg in the early 1970s. Twomey is the author of several books, including an acclaimed study of the state of Irish Catholicism, The End of Irish Catholicism?.