Kurt Schwitters (20 June 1887 – 8 January 1948).
"Schwitters 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.
Schwitters also dramatically altered the interiors of a number of spaces throughout his life. The most famous was The Merzbau, the transformation of six (or possibly more) rooms of the family house in Hannover. This took place very gradually; work started in about 1923, the first room was finished in 1933, and Schwitters subsequently extended the Merzbau to other areas of the house until he fled to Norway in early 1937. Most of the house was let to tenants, so that the final extent of the Merzbau was less than is normally assumed. On the evidence of Schwitters' correspondence, by 1937 it had spread to two rooms of his parents' apartment on ground floor, the adjoining balcony, the space below the balcony, one or two rooms of the attic and possibly part of the cellar. In 1943 it was destroyed in a bombing raid. he built it again in oslo; It burnt down in 1951 and no photos survive."
a small response book, rearrangeable tunnel structure:
