Background
O'Callaghan, John Joseph was born on October 20, 1931 in New Rochelle, New York, United States. Son of Francis Eugene and Marion Helen (O'Reilly) O'C.
O'Callaghan, John Joseph was born on October 20, 1931 in New Rochelle, New York, United States. Son of Francis Eugene and Marion Helen (O'Reilly) O'C.
AB, Loyola University, Chicago, 1954. Master of Arts in Classical Languages, Loyola University, Chicago, 1960. Doctor of Theology, Gregorian University, Rome, 1967.
Professor, rector, Jesuit School Theology, Chicago, 1967-1976; secretary personnel, Jesuit Conference, Washington, 1976-1980; president, Jesuit Conference, Washington, 1980-1983; general assistant, Society of Jesus (Jesuit), Rome, since 1983.
Member Catholic Theological Society, Society Christian Ethics.