American academic, Catholic historian, and Jesuit priest (1927–2022)
John William O'Malley was an American academic, Catholic historian, and Jesuit priest. He was a university professor at Georgetown University, housed in the Department of Theology and Religious Studies. O'Malley was a widely published expert on the religious history of Early Modern Europe, with specialities on the Council of Trent, the Second Vatican Council, and the First Vatican Council.
