Biography

University Münster, Germany: mathematics and theoretical physics, functional analysis, probability theory, quantum mechanics; Ph.D. in 1981.
Freelance researcher: mathematical foundations and axiomatic reconstructions of quantum theory, quantum probability.
Earlier affiliations before retirement: university Münster, Siemens Munich, Bellcore New Jersey, Nokia Siemens Networks Munich, Airbus Ulm, Fraunhofer institute Munich.