Norman Foster, one of the most consistent advocates of architec- ture based on modern technology, achieved a world-wide reputa- tion with the headquarters for the Hongkong & Shanghai Banking Corporation in Hong Kong, Stansted Airport in London, Century Tower in Tokyo and his telecommunications tower in Barcelona. His most important projects in Germany are the conversion of the Reichstag building in Berlin and the new Commerzbank headquar- ters in Frankfurt am Main.