Jean Metzinger see the cubist works in Room 7 and 8. While Pablo Picasso and Georges Braque are generally acknowledged as the founders of the twentieth-century movement that became known as Cubism, it was Jean Metzinger, together with Albert Gleizes, that created the first major treatise on the new art-form, "Du "Cubisme"", in preparation for the Salon de la Section d'Or held in October 1912. "Du "Cubisme"", published the same year by Eugène Figuière in Paris, represented the first theoretical interpretation, elucidation and justification of Cubism, and was endorsed by both Picasso and Braque. "Du "Cubisme"", which preceded Apollinaire's well known essays,
20th-century French art 20th-century French art 20th-century French art developed out of the Impressionism and Post-Impressionism that dominated French art at the end of the 19th century. The first half of the 20th century in France saw the even more revolutionary experiments of Cubism, Dada and Surrealism, artistic movements that would have a major impact on western, and eventually world, art. After World War II, while French artists explored such tendencies as Tachism, Fluxus and New realism, France's preeminence in the visual arts progressively became eclipsed by developments elsewhere (the United States in particular). The early years of the twentieth century were dominated