Doctor of Natural Sciences, University Bonn, Germany, 1968.
Academic tutor, Foundation Volkswagenwerk, Bonn, 1968-1971; assistant professor, U. Bonn, 1968-1975; lecturer, U. Bonn, 1976-1978; adjunct professor, U. Bonn, since 1979. Member education committee U. Bonn, 1968-1983, member of faculty natural science, since 1976.
Board directors Foundation of German Artists, 1984-1990. Member German Society Artists, German Zoological Society, New York Academy of Sciences.
Married Gabriela Horn, February 14, 1969.