Born 1951. Studied theatre, philology, philosophy, linguistics and political science in Marburg, the Free University and Technical University in Berlin. Media specialist in the 1980s at the Technical University of Berlin. Developed programme in media studies and media consultancy. Professor from 1990-93 for audiovisual studies at the University of Salzburg, developed the teaching, production and research department, "Audiovisionen." Published numerous books and essays on the history, theory and practice of cinema, television and video. Has been Professor for Communications and Media Studies since 1993 and, since 1994, Founding Principal of the Academy of Media Arts Cologne. Amongst others member of the European Film Academy (EFA) and the Magic Lantern Society of Great Britain.