Georges Braque of monochromatic color and complex patterns of faceted form, now termed Analytic Cubism. A decisive time of its development occurred during the summer of 1911, when Georges Braque and Pablo Picasso painted side by side in Céret in the French Pyrenees, each artist producing paintings that are difficult—sometimes virtually impossible—to distinguish from those of the other. In 1912, they began to experiment with collage and Braque invented the "papier collé" technique. On 14 November 1908, the French art critic Louis Vauxcelles, in his review of Georges Braque's exhibition at Kanhweiler's gallery called Braque a daring man who despises form, "reducing
Cubism Villon exhibited seven important and large drypoints, while his brother Marcel Duchamp shocked the American public with his painting "Nude Descending a Staircase, No. 2" (1912). Francis Picabia exhibited his abstractions "La Danse à la source" and "La Procession, Seville" (both of 1912). Albert Gleizes exhibited "La Femme aux phlox" (1910) and "L'Homme au balcon" (1912), two highly stylized and faceted cubist works. Georges Braque, Fernand Léger, Raymond Duchamp-Villon, Roger de La Fresnaye and Alexander Archipenko also contributed examples of their cubist works. During the late 19th and early 20th centuries, Europeans were discovering African, Polynesian, Micronesian and Native American