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
Robert Paul (painter) Robert Paul (painter) Robert Paul (1906–1979) was a Rhodesian abstract painter. Paul joined the Rhodesian police force, the British South Africa Police, in 1927, and during patrols in his early years became enamored of the local landscape. Self-taught as an artist, he would often bring his sketchbook along on his trips, recording the passing countryside. He was encouraged to paint by John Piper and Ivon Hitchens, who introduced him to the work of Georges Braque and other painters. Paul retired from the force in 1951 to paint full-time. He was considered the foremost painter in Rhodesia until his death in