In 1923 came a several thousand works more comprehensive Inventory in the Kaiser Wilhelm Museum
Krefeld:The German Museum for Art in Trade and Industry (DM) - maybe the first design
collection ever. At the extensive collection is a sample collection exemplary design which is
the significant Hagen patron and collector Karl Ernst Osthaus between 1909 and 1919 with
financial and non-material support of the Deutscher Werkbund. This succeeded in cooperation
with pioneering artists and Designers of his time such as Peter Behrens Henry van de Velde
Walter Gropius Richard Riemerschmid Clara and Fritz H. Ehmcke Josef Hoffmann and many
others. So reflects the collection of poster art book design glass Ceramics silver
photographs and advertising graphics the cultural history of the early 20th century is
impressively reflected.