Teaches free art at the Academy of Fine Arts in Hamburg. Since 1965 he has made around 100 films and held professorships of film and media art in Hamburg, Wuppertal, Bochum, Offenbach, and Cologne; there have been numerous retrospectives of his experimental and documentary body of work worldwide; he has received awards for his films put-putt, jüm-jüm, Abbandono, Hynningen, Geflecht, T-WO-MEN, Beuys, Uliisses, Johnny Flash, and Was geschah wirklich zwischen den Bildern. Since 1983 his private collection on the early history of the visual media has been exhibited all over the world, including Frankfurt, Tokyo, Budapest, Bremen, Los Angeles, Colgne, Graz, London, Salzburg, and Hamburg. The collection is documented in the the six-part film series Media Magica and elsewhere, including the catalogues Ich sehe was, was Du nicht siehst —; Bilderwelten und Sehmaschinen, Die Wunderkammer des Sehens, and Eyes, Lies and Illusions. Lives in Mülheim/Ruhr.