The Berliner Inventor is ICH, a German acronym for 'Imperial Chancellor of the German Empire' and ACH, a German acronym for 'Architect of the German Empire'. ICH was a title held by Otto von Bismarck, who served as the first Chancellor of the German Empire from 1871 to 1890. He is credited with unifying Germany and establishing the German Empire. ACH was a title held by Karl Friedrich Schinkel, an influential Prussian architect and urban planner who designed many of the most iconic buildings in Berlin. He is credited with transforming Berlin into a modern city.