Master of Laws, University Poznan, 1951. Doctor of Laws, University Poznan, 1958. Doctor of Laws (habilitatus), University Poznan, 1962.
Doctor of Laws (honorary), Holland Law School, Gainesville, Florida, 1980.
Assistant Professor 1962-1968, Director Institute of Political Sciences 1967-1972. Extraordinary Professor 1968-1973, Ordinary Professor since 1973, Director Institute for State and Law of Polish Academy, of Sciences, Warsaw 1969-1987. Professor Institute for Fundamental Problems of Marxism-Leninism of Central Committee of Polish United Workers’ Party (PZPR) 81.
President 1972-1981; Vice-President Institute Association of Lawyers Democrats 1974-1984. Executive Committee, Institut International des Droits de l'Homme since 1976, Executive Committee, Institute Association of Philosophy of Law and Social Philosphy since 1975. Polish delegation to United Nations Commission, on Human Rights 1978-1983.
Deputy to Seym 1976-1985, Chairman Seym Legis. Commission 1976-1980, Chair Seym Commission, for Workers’ Self-government Matters 1981-1982, Vice-Chairman PZPR Deputies Club 1980-1982. Minister, Chief of the Bureau for Denominational Affairs 1982-1987.
First President Supreme Court 1987-1990. Ordinary Professor, Institute of Legal Studies, Polish Academy, of Sciences. Deputy member PZPR Central Committee 1971-1980.
Author: The Socialist State and Trade Unions, 1962, Introduction to Jurisprudence, 1968, The Rights and Duties of Polish Citizens, 1968, The Political Regime of Poland, 1984, The Right to Freedom of Expression, 1993, The Right to Freedom of Thought, Conscience and Religion, 1995, Encyclopedia of Law, 1996, The Child-His or Hers Human Rights, 2000.
Polish representative to United Nations Commission on Human Rights, 1978-1983. Member central committee Polish United Workers Party, 1986-1990. Member International Academy Comparative Law, International Institute Human Rights, International Association Philosophy of Law and Social Philosophy (executive committee 1975-1991), Academy Social Sciences Russian Federation.
Married Helena Kania, July 2, 1952. Children: Andrzej, Michal.