| 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 |