John W. O’Malley (1927–2022), SJ, was a Roman Catholic priest and professor in the department of theology at Georgetown University. He wrote many books, including A History of the Popes, The First Jesuits, and What Happened at Vatican II, among many others. He held the Johannes Quasten Medal from The Catholic University of America for distinguished achievement in religious studies, and he won numerous other awards, including best book and lifetime achievement. He served as past president of the American Catholic Historical Association and the Renaissance Society of America.
