Master of Arts, Catholic University Lublin, 1955. Full Professor, Catholic University Lublin, 1985. Doctor of Philosophy, University Warsaw, 1961.
Head department modern history, Catholic U., Lublin, since 1969; dean of faculty of humanities, Catholic U., Lublin, 1981-1987; vice president, Scientific Society of Lublin, since 1987; senior fellow, Fulbright Foundation, Washington, 1987-1988; member international commission, History of International Rels., Italy, since 1982; member international commission, Comparative History of Churches/CIHEC, France, since 1975. President National Broadcasting Council of Poland, 1994. Vis.prof. University of Minnesota, Minneapolis, 1996.
Member Sejm in Poland, 1976-1980, 85-89. Member Senate in Poland, 1991-1993. Vice president European Democratic Group of Council of Europe, 1992-1993, Christian Democratic Labour Party in Poland, 1989-1990.
Member Polish section Papal Commission, Iustitia et Pax, since 1986. Member Citizens' Committee of Lech Walesa in Poland, 1990. Member Club of Catholic Inteligentsia in Lublin (president since 1983), Association for Defense of Rights of Audiovisual Public (president since 1995), Order of the Black Madonna (Knight).
Married Maria Jadwiga Malik, August 15, 1959. Children: Agnieszka, Bogna, Iwo.