Michael Bischoff Editor

Michael Bischoff works as an art historian at the Weserrenaissance-Museum at Schloß Brake in Lemgo. Hillert Ibbeken was professor at the Free University of Berlin. Until his retirement Hillert Ibbeken was a professor of geology at the Freie Universität Berlin, but his lifelong occupation has been architectural photography. Until his retirement Hillert Ibbeken was a professor of geology at the Freie Universität Berlin, but his lifelong occupation has been architectural photography.