Born 1956 in Ulmen near Cologne. Studied medicine and philosophy in Mainz and Munich. Doctorates 1980, 1988, habilitation in psychiatry in Munich 1994. Worked at the psychiatric University clinics in Munich, Aachen and – since 2003 – Zurich. Scientific focuses are psychopathological, psychiatric-historical and scientific-theoretical topics, which are described as necessary foundation of any psychiatric activity.