Diploma in engineering, Technology Hochschule Aachen, Germany, 1959. Doctor of Engineering, Technology Hochschule Aachen, Germany, 1963. Diploma in aeronautical engineering, Cranfield College Aeronautics, England, 1961.
Doctor of Philosophy, Case Institute of Technology, 1966.
Research associate Technology Hochschule Aachen, 1959-1963. Lecturer management science Case Institute of Technology, Cleveland, 1965-1966. Consultant Booz, Allen & Hamilton, Chicago, 1967-1969.
Associate professor University Minnesota, Minneapolis, 1970-1971. Professor Free University Berlin, since 1972.
Married Hildegard Reimesch.