Abstract art the basis of a new visual art, later to be developed into Cubism by Georges Braque and Pablo Picasso. Post Impressionism as practiced by Paul Gauguin, Georges Seurat, Vincent van Gogh and Paul Cézanne had an enormous impact on 20th-century art and led to the advent of 20th-century abstraction. The heritage of painters like Van Gogh, Cézanne, Gauguin, and Seurat was 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
Crystal Cubism towards the end of 1916, with an art world still under the pressures of war, to show the parallels between the poetic theories of Guillaume Apollinaire of Max Jacob and himself in marking the burgeoning of a new era for poetry and artistic reflection. In "Nord-Sud" Reverdy, with the help of Dermée and Georges Braque, exposed his literary theories, and outlined a coherent theoretical stance on the latest developments in Cubism. His treatise "On Cubism", published in the first issue of "Nord-Sud", did so perhaps most influentially. With his characteristic preference for offense rather than defense, Reverdy launched an attack