Kurt Schwitters collages – in pictures

Untitled (With an Early Portrait of Kurt Schwitters), 1937-8                                Photograph: Herling/Gwose/Kurt and Ernst Schwitters Stiftung, Sprengel Museum, Hannover

En Morn, 1947. No material was considered unsuitable for art by Schwitters. His collages using magazine cuttings, found objects, sweet wrappers etc paved the way for pop art and arte povera Photograph: © Centre Georges Pompidou, Paris/DACS 2012

Untitled (Quality Street), 1943, made of collaged sweet wrappers Photograph: © Kurt und Ernst Schwitters Stiftung, Hannover, Sprengel Museum Hannover/ DACS 2012

Merz Picture 46 A. The Skittle Picture, 1921, which uses fallen wooden skittles Photograph: © Kurt und Ernst Schwitters Stiftung, Hannover, Sprengel Museum Hannover/ DACS 2012

47.15 Pine Trees C.26, 1946-47.                                                                     Photograph: Kurt and Ernst Schwitters Stiftung, Sprengel Museum, Hannover

Irgendetwas mit einem Stein (Anything With a Stone), 1941-4 Photograph: © Kurt und Ernst Schwitters Stiftung, Hannover, Sprengel Museum Hannover/ DACS 2012

Untitled (Relief Within Relief), 1942/1945 Photograph: Tate

C21 John Bull, 1946/1947                                                                            Photograph: Sprengel Museum Hannover