Kurt Schwitters (1887-1948) Excluded from the movement Hobby-horse Berlin, it reacts by melting Dada Hanover. This movement was founded on the apolitical one (thus with the antipodes of the designs of Berlin Hobby-horse, which was a politically engaged movement), the fantastic one and constructivism. Its principal pillars are the Merz review, and the art of the same name. The process on which this art is founded is at the same time a major process of all the literary Hobby-horse as much as plastic: it is about joining. One found on his fabrics of the tickets of bus, the scraps of posters or newspapers, of the rags, the buttons, the pieces of fabrics, the stoppers, etc which constituted “harmonious” tables. Merz is besides the fragment of a paper where was writes the German word Kommerz, of Kommerz Bank. (Merz perhaps also translated into French by “trick”, “thing”, which characterizes these assemblies of various elements indeed…) L studied the painting of 1909 to 1914 with the Academy of Dresden. It took part in the review der Sturm of Berlin. Large friend of Hausmann and Arp, it founded a movement parallel with the Hobby-horse which it named Merz. From 1930 to 1948, it took refuge in Norway to flee the Nazism. It was pointed out by drawings with the pencil, the charcoal, the watercolour then joinings and assemblies since 1919. Refused to the Hobby-horse of Berlin by Huelsenbeck, it reacts and creates its Merzbild table in 1919. The word Merz being cut out since Kommerz in a printed advertisement. In 1923, it creates its work in Hanover, Merzbau, a whole of timber structures and plaster with cavities where is embedded its work and those of his/her friends. Destroyed in 1943, it partially rebuilt by Switzerland Harald Szeemann. After 1923, it binds with the constructivists Theo van Doesburg and Russian El Lissitsky. It carried out with them the Merz review appeared between 1923 and 1932. A power station of Merz publicity was creates and it launched the new advertisement for firms like Pelikan, Opel or Bahlsen. After the German invasion of Norway, it resided in 1946 at Ambleside in Westmoreland in England. In February 1995, the Beaubourg Center in Paris organized a Schwitters exposure. It published Anna Blume in 1919 and Ursonate in 1932