Doctor of Philosophy, University Heidelberg, Germany, 1963. Habilitation, University Heidelberg, 1969.
Research associate, Max-Planck-Institute Nuclear Physics, Heidelberg, 1963-1966; group leader, Max-Planck-Institute Nuclear Physics, Heidelberg, 1968-1971; visiting associate professor physics, University Texas, Austin, 1966-1967; senior research associate, U. Washington, Seattle, 1967-1968; professor, U. Cologne, Germany, since 1971; director nuclear physics laboratory, U. Cologne, Germany. Member of advisory board nuclear physics Federal Min. Germany Education Research, Bonn, since 1996.
Member German Research Association (referee nuclear physics 1992-2000), German Physical Society (member nuclear physics board 1977-1979), European Physical Society (chairman nuclear physics board 1981-1985), Euroball Coordinator Committee.
Married Tremezza Brigitte Künzel, July, 1966.