Master of Science, University Lodz, Poland, 1950. Doctor of Philosophy, 1954.
Research assistant Nencki Institute Experimental Biology, Lodz, Poland, 1947-1953. Assistant professor, 1953-1957. Associate professor Warsaw, 1957-1967.
Professor, 1967—2006. Professor emeritus, since 2006. Lecturer part time University Warsaw, 1957—2000.
Post doctoral fellow Johns Hopkins University School Medicine, Baltimore, 1959-1960. Member Committee Biochemistry and Biophysics, Warsaw, Poland, since 1967. Member editorial board European Journal Biochemistry, Liege, Belgium, 1977-1979, Biochimica et Biophysica Acta, Amsterdam, 1987-1995, Acta Biochimica Polonica, Warsaw, since 1981.
Member Polish Academy of Sciences, Polish Biochemical Society.
Married Anna B. Drabczyk Wojtczak, August 16, 1952. Children: Maria, Katarzyna.