<P> Pablo Picasso, Compotier avec fruits, violon et verre, 1912 </P> <Li> <P> Georges Braque, Fruitdish and Glass, 1912, papier collé and charcoal on paper </P> </Li> <P> Georges Braque, Fruitdish and Glass, 1912, papier collé and charcoal on paper </P> <Li> <P> Jean Metzinger, Au Vélodrome, 1912, oil, sand and collage on canvas, Peggy Guggenheim Collection </P> </Li>

Which artist made the concept of collage into a form of art in 1912