Cubism Cubism", (from 1909 to 1914) during which time Juan Gris emerged as an important exponent (after 1911); and finally Cooper referred to "Late Cubism" (from 1914 to 1921) as the last phase of Cubism as a radical avant-garde movement. Douglas Cooper's restrictive use of these terms to distinguish the work of Braque, Picasso, Gris (from 1911) and Léger (to a lesser extent) implied an intentional value judgement. Cubism burgeoned between 1907 and 1911. Pablo Picasso's 1907 painting "Les Demoiselles d'Avignon" has often been considered a proto-Cubist work. Georges Braque's 1908 "Houses at L’Estaque" (and related works) prompted the critic Louis
Georges Valmier Georges Valmier Georges Valmier (11 April 1885 – 25 March 1937) was a French painter. His work encompassed the great movements in the modern history of painting, starting with Impressionism in his early years, then Cubism which he discovered when he was around 25 years old, and finally Abstractionism from 1921. He also designed sets and costumes for theater and ballet, and models for fabrics, carpets, and other objects. His oil paintings do not exceed 300 in number, since Valmier died prematurely at the age of 51. His paintings were the culmination of many preparatory drafts in gouaches, multiple versions