Kurt Schwitters (June 20, 1887 – 1948) was a German painter who worked in several genres and media, including Dada, Constructivism, Surrealism, poetry, sound, painting, sculpture, graphic design, typography and what came to be known as installation art. He is most famous for his collages, called Merz Pictures.
Above: Das Undbild, Merzbild, 1919 – assemblage (Stuttgart, Staatsgalerie)
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ralph lichtensteiger says: 
r3ckon 