Ph. D. at Kiel University, Germany 1970Radiation Officer at Kiel University and Siegen UniversityRadiation Advisor for Fire Brigades in Matters of Radiation Protection, Siegen, GermanyVisiting Fellow of the Royal Society of England 1971 at the University of Durhamworking with Sir Arnold Wolfendale (Prof. Dr. and Astronomer Royal emeritus) Guest Professor at Tokyo University in 1980 and 1985Visiting Scientist at CERN during sabbaticals in 1990, 1994 and 2000Special High Energy and Particle Physics Prize of the European Physical Society for the Discovery of the Gluon (along with other members of PETRA Experiments) in 1995Full Professor at Siegen University since 1