| 1927 | Born March 4, Park Ridge, IL | |
| 1941-45 | Attended Fenwick High School, Oak Park, IL | |
| 1945 | Served in the U.S. Navy, World War II | |
| 1946-47 | Attended the University of Notre Dame, Notre Dame, IN | |
| 1947 | Entered Dominican Order of Preachers, Central Province, U.S.A. | |
| 1951 | Took solemn vows | |
| 1952 | Licentiate in philosophy (PhL), Aquinas Institute of Philosophy, River Forest, IL | |
| 1954 | Licentiate of sacred theology (STL), Aquinas Institute of Theology, Dubuque, IA | |
| 1954 | Ordained a priest, Dominican Order of Preachers | |
| 1958-66 | Professor of moral theology and canon law, Aquinas Institute of Theology, Dubuque, IA | |
| 1958 | Doctor of canon law (JCD), St. Thomas University, Rome | |
| 1964-68 | Dean, Aquinas Institute of Theology, Dubuque, IA | |
| 1965-72 | Chairman, Iowa Consortium Schools of Theology | |
| 1969-72 | President, Aquinas Institute of Theology, Dubuque, IA | |
| 1972-73 | Graduate fellow, School of Divinity, University of Chicago | |
| 1973-77 | Director, medical-moral affairs, Catholic Hospital Association, St. Louis | |
| 1977-79 | Vice President, medical-moral affairs, Catholic Hospital Association, St. Louis | |
| 1979-99 | Director, Center for Health Care Ethics, Health Sciences Center, Saint Louis University | |
| 1979-2000 | Professor of health care ethics, Department of Internal Medicine, Health Sciences Center, Saint Louis University | |
| 1983 | Master of sacred theology (STM), Dominican Order of Preachers, dedication and excellence in writing and teaching | |
| 1992 | Sister Mary Concilia Moran, RSM, Award, Catholic Health Association, St. Louis | |
| 1998 | Doctor of Humanities, honoris causa, Aquinas Institute of Theology, St. Louis | |
| 1999 | Professor emeritus, Center for Health Care Ethics, Health Sciences Center, Saint Louis University | |
| 2000-present | Professor of bioethics, Neiswanger Institute for Bioethics and Health Policy, Stritch School of Medicine, Loyola University Chicago | |
2004 | Lifetime Achievement Award, Catholic Health Association, St. Louis |