AB, St. Joseph's Seminary, 1954. AM, St. Joseph's Seminary, 1958. Master of Arts, Catholic University, 1960.
Doctor of Philosophy, Catholic University, 1963.
Ordained priest Archdiocese of New York, 1958, associate director education, 1969—1971, secretary to archbishop, 1971—1977, auxiliary bishop, 1977—1981. Assistant chaplain Catholic University America, Washington District of Columbia, 1959—1961, dean students, 1961—1963, assistant to rector, director development, 1963—1965, instructor department sociology, 1961—1965. Domestic prelate, 1965.
President Catholic University Puerto Rico, 1965—1969. Ordained bishop, 1977. First bishop Diocese of Metuchen, 1982—1986.
Archbishop Archdiocese of Newark, 1986—2000, Archdiocese of Washington District of Columbia, 2001—2006, archbishop emeritus, since 2006. Elevated to cardinal, 2001. Cardinal-priest Ss. Nereo ed Archilleo, since 2001.
Member Federal Commission for Study of Migration and Economic Development, 1989. Policy board Washington Consortium, Peace Corps, 1962—1963, Pontifical Commission for Migrants and Refugees, 1987. Chairman United States Bishops Committee on Migration, 1986—1989, 1992—1995, Governor's Commission for Higher Education in Puerto Rico, 1968, Puerto Rico Advisory Council on Technology and Vocational Education, 1968—1969.
With United States Secretary of State's Advisory Committee on Religious Freedom Abroad, 1996—1999, United States Committee International Religious Freedom, 1999—2001, Synod for American and Post Synod Council. Episcopal promoter Apostleship of the Sea, 1989—1992. Chairman Committee Aid to Church in Central and Eastern Europe, United States Conference of Catholic Bishops, 1992—1996, chairman international policy committee, 1996—1999, chairman domestic policy committee, 2002—2005.
Secretary-treasurer Papal Foundation, 1988—1996, president, since 1997. Member of Knights Malta (chaplain 1978-1982).