Proto-Cubism color, simply by eliminating color from his paintings, Picasso in 1908 concentrated on form. Kahnweiler notes: "Derain, too, had abandoned decorative light painting in 1907", Kahnweiler writes, "preceding Braque by a few months. But from the outset, their roads were diverse. Derain's endeavor to retain fidelity to nature in his painting separates him forever from Cubism, no matter how closely his ideas may otherwise parallel those of Braque." And Derain was not the only one to venture along the path of Cézanne, only to turn away from it in the coming years. Chagall, Friesz, Matisse, Dufy, Redon, Vlaminck and Modigliani
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