Master of Science, Lomonosov University, Moscow, 1960. Doctor of Philosophy, Warsaw (Poland) University, 1962. Doctor of Science, Staszic University, Krakow, 1966.
Various research positions, head of laboratory Computation Center, Polish Academy of Sciences, Warsaw, 1961-1972. Director software research Polish Computer Manufacturers Trust (MERA), 1972-1977. Professor Institute of Informatics University Warsaw, since 1977.
Visiting professor Imperial College of Science and Technology, London, 1982-1987. Consultant United Nations Industrial Development Organization, United Nations Development Programme, various industrial organizations.
Fellow British Computer Society (distinguished). Member Polish Information Processing Society (honorary, president 1981-1987), Polish Mathematics Society, Polish Astronomical Society, Royal Academy Engineering (foreign member).
Married Hanna Chrzaszczewska, February 10, 1962. Children: Stanislaw, Marcin.