History of painting ""How do you see these trees? They are yellow. So, put in yellow; this shadow, rather blue, paint it with pure ultramarine; these red leaves? Put in vermilion."" The leaders of the movement were Henri Matisse and André Derain — friendly rivals of a sort, each with his own followers. Ultimately Matisse became the "yang" to Picasso's "yin" in the 20th century. Fauvist painters included Albert Marquet, Charles Camoin, Maurice de Vlaminck, Raoul Dufy, Othon Friesz, the Dutch painter Kees van Dongen, and Picasso's partner in Cubism, Georges Braque amongst others. Fauvism, as a movement, had no concrete theories, and
20th-century Western painting for that spiritual knowledge. Other major pioneers of early abstraction include Swedish painter Hilma af Klint, Russian painter Kazimir Malevich, and Swiss painter Paul Klee. Robert Delaunay was a French artist who is associated with Orphism, (reminiscent of a link between pure abstraction and cubism). His later works were more abstract, reminiscent of Paul Klee. His key contributions to abstract painting refer to his bold use of color, and a clear love of experimentation of both depth and tone. At the invitation of Kandinsky, Delaunay and his wife the artist Sonia Delaunay, joined The Blue Rider (Der Blaue Reiter), a