* 1954 Düsseldorf  Germany

Study of history and sociology at the University of Cologne (1973-1977),

state examination (1977) and doctorate (1981), archival training (1981 - 1983),

Research Associate at the Federal Archives Koblenz (1984 - 1986), Archivist (head of department) Historical Archives of the City of Cologne (1986 - 2008), Director Friedrich Engels House / Museum for Early Industrialization Wuppertal (2008 - 2018), publications on social and cultural history of the 19th and 20th centuries, contributions to Karl Marx and Friedrich Engels and their environment, exhibitions on history, especially on industrialization in Europe.