Degree in economics, University Freiburg, 1957. Doctor in Economics, University Freiburg, 1959. Habilitation in Economics, University Freiburg, 1964.
Doctorate (honorary), University Dortmund, 1991.
Professor economics, U. Kiel, 1964-1990;
rector, U. Kiel, 1969-1970;
member, Upper House Parliament, Federal Republic of Germany, 1978-1990;
member, State Legislature North Rhine-Westphalia, 1980-1990;
president, Landeszentralbank in Nordrhein-Westfalen, Düsseldorf, since 1990. Head planning division Federal Chancellery, Bonn, 1970-1973. Undersecretary of state Federal Ministry of Edition and Science, Bonn, 1973-1978.
Minister science and research State of North Rhine-Westphalia, Düsseldorf, 1978-1980, minister economics.affairs, medium-sized enterprises and transport, 1980-1985, minister for economics affairs, medium-sized enterprises and technical, 1985-1990. Member of the Board of Governors Deutsche Bundesbank, Frankfurt/Main. Member supervisory board Ruhrkohle AG.
Chairman Federal States Commision on Concentration in the Media Industry. Chairman, Board Of Directors Gustav-Stresemann Foundation, Bonn.
Member Academy for Urban and Regional Planning, Society for Social Policy, List Society, American Economics Association, Trilateral Commission.
Married Margarethe Müller. Children: Maren, Jasper.