Prof. Dr.-Ing. Johannes Cramer has worked as an architect in the field of historical preservation for almost thirty years, and he has supervised many important building sites, including the Museumsinsel Berlin (Berlina (TM)s Museum Island) and the Forum Romanum in Rome. He received his doctorate at the Technische Hochschule Darmstadt (Darmstadt University of Technology) and his qualification as a university teacher at the Technische UniversitAt Hannover (Hanover Technical University). Since 1997 he has been a professor of the history of building and city planning at the Technische UniversitAt