Party affiliation: Social Democratic Party of Germany
Regional Councillor, Kassel, 1963-1972. Chairman, Sozialdemokratische Partei Deutschlands (Social Democratic Party of Germany) District, Hessen North. President, Hessen Administrative District Parliament and Vice President, German Administrative District Parliament.
1973; Hessen Minister of Justice, 1974-1987. Plenipotentiary of Hessen, 1974-1978. Hessen Minister of The Interior, 1982-1984.
Minister of the Interior and European Issues, since 1991. Entered state service, 1957. Advisor, Welfare Ministry, Wiesbaden, since 1959.