Diploma in engineering, Technology University Aachen, Germany, 1960. Doctor of Philosophy, Sheffield University, England, 1964. Doctor of Engineering, Sheffield University, England, 1970.
Doctor of Science (honorary), Rome Tor Vergata, 1994. Doctor honoris causa, Technology University Moldova, 1999.
Assistant, Institute National Science and Appliquées, Villeurbane, France, 1960-1961;
research fellow, lecturer, reader, Sheffield U., 1961-1970;
professor microwave electronics, U. Newcastle-Upon-Tyne, England, 1970-1978;
professor microwave electronics, Technology U. Darmstadt, Germany, since 1978;
dean faculty telecommunication electronics, Technology U. Darmstadt, Germany, 1980-1982, 92-95;
dean foundation, new faculty material science, Technology U. Darmstadt, Germany, 1989-1991. Visiting scientist Ministry of Trade and Industry Electrotech. Laboratory, Tokyo, 1970.
Chief technical advisor for India, United Nations Development Programme, Delhi, 1978-1981. Consultant Wright Patterson, Dayton, Ohio, 1978-1981, Radio Corporation of America Laboratory, Princeton, 1984-1986.
Married Helen Hartnagel. Children: Renate, Martin, Andrea.