Bachelor, University Lwow (Poland), 1936. Doctor of Philosophy, University Warsaw, 1950.
Member faculty University Warsaw, associate professor philosophy, 1954—1965, professor, since 1965, dean faculty philosophy, 1962—1965, head department moral science. Member Committee National Education Medal, since 1979.
Of Editorial Staff since 1973. Polish Philosophical Society. Committee of Philosophical Sciences, Polish Academy, of Sciences 1966-1972.
Polish Academy, of Sciences 1973, member since 1983. Committee of National Education Commission Medal since 1979.
Married Karolina Gruszczynska Fritzhand, 1949. 1 child Annete.