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 Michel (painter) the world, including The Metropolitan Museum of Art, Portland Art Museum, Vanderbilt University Gallery, Strasbourg Musée des Beaux-Arts, Victoria and Albert Museum, and many others. Georges Michel (painter) Georges Michel (12 January 1763 – 7 or 8 June 1843) was a French landscape painter. An important precursor of the Barbizon school, Michel was practically unknown during his lifetime, and worked as copyist and restorer. Michel was born in Paris. His father was an employee at Les Halles, a large marketplace in the central part of the city. Michel's first patron, at a very early age, was a certain Monsieur de