Cubism and Gleizes. Cubism as a publicly debated movement became relatively unified and open to definition. Its theoretical purity made it a gauge against which such diverse tendencies as Realism or Naturalism, Dada, Surrealism and abstraction could be compared. The Cubism of Picasso, Braque and Gris had more than a technical or formal significance, and the distinct attitudes and intentions of the Salon Cubists produced different kinds of Cubism, rather than a derivative of their work. "It is by no means clear, in any case," wrote Christopher Green, "to what extent these other Cubists depended on Picasso and Braque for their
20th-century Western painting syndrome; this creates an aesthetic traffic jam with no firm and clear direction and with every lane on the artistic superhighway filled to capacity. 20th-century Western painting 20th-century Western painting begins with the heritage of late-19th-century painters Vincent van Gogh, Paul Cézanne, Paul Gauguin, Georges Seurat and Henri de Toulouse-Lautrec, and others who were essential for the development of modern art. At the beginning of the 20th century, Henri Matisse and several other young artists including the pre-cubist Georges Braque, André Derain, Raoul Dufy and Maurice de Vlaminck revolutionized the Paris art world with "wild", multi-colored, expressive landscapes and figure