The designer Peter Behrens is responsible for this outstandingly detailed architectonic masterpiece. Hoechst AG started the constructing in 1921 with the idea to use it as an administration building. Nowadays Behrens is also the official namesake of the building. Standing in the entrance hall and looking up, one can hardly manage to detract attention from the vertiginous aura of this expressionistic brick building. Countless little things reveal the painter, designer, and typographer in Behrens. For example, geometric pictures by the Dutch artist group De Stijil are processed in the stained-glass windows.