New materials in 20th-century art The technique remains popular as a very simple method of printmaking, even suitable for use in schools. Pablo Picasso, Georges Braque, Juan Gris and other cubist artists introduced new elements and materials like newspaper clippings, fabric, and sheet music into their paintings. Eventually the movement was called Synthetic Cubism developed between 1912 and 1919. Synthetic cubism is characterized by works with different textures, surfaces, collage elements, papier collé and a large variety of subject matter. It was the beginning of collage materials being introduced as an important ingredient of fine art work by the avant-garde. Considered the first work of
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