Licensed pharmacist, University Marburg, Federal Republic of Germany, 1960. Doctor of Philosophy in Plant Physiology, University Marburg, Federal Republic of Germany, 1963. Dr honoris causa, Kant.
University, Kaliningrad, Russia, 2000.
Habilitation University Erlangen, Federal Republic of Germany, 1967. Professor botany and pharmaceutical biology Institute of Botany & Pharmaceutical Biology Universität Würzburg, Germany, 1972—2000. Head, co-director Universität Würzburg, Federal Republic of Germany, professor pharmaceutical biology and botany, member research group, since 1995.
Guest professor.pharmacy Kaliningrad, Russia, 1997.
Member many German and International Societies of Botany, Plant Physiology, Plant Research, Phytotherapy, Pharmacy and Phytochemistry.
Married Isolde Wehner, September 1, 1962. Children: Michael, Martin, Markus.