- Born 1953 in Düsseldorf-Lohausen (capital of North-Rhine Westphalia, Germany)
- From 1972 until 1980, studies of psychology, philosophy, and German literature at the universities of Düsseldorf, Basel (Switzerland), and Trier (Germany)
- Diploma in Psychology, Trier University, Germany 1980
- Doctorate (Dr. rer.nat.), Trier University, Germany 1984
- Habilitation at the Philosophische Fakultät, Bonn University, Germany 1991
- Honorary Doctorate (Dr. h.c.), Szeged University, Hungary 2015
- Retirement 2019
… not always problem solving