Degree, University Hamburg, 1963. Postgraduate, Indiana University, Bloomington, 1966. Doctor of Philosophy in Math and Physics, Indiana University, 1968.
Postgraduate, University California, Irvine, 1968.
Instructor New York University, 1968-1969. Assistant professor University Heidelberg, Germany, 1969-1971. Associate professor University Bielefeld, 1971-1973.
Mathematics professor University Osnabrück, since 1973.
Member American Mathematics Society, German Mathematics Society.
Married Karin Schreck. Children: Kirsten, Helge, Christian.