Abstract art based on Cézanne's idea that all depiction of nature can be reduced to three solids: cube, sphere and cone. With the painting "Les Demoiselles d'Avignon" (1907), Picasso dramatically created a new and radical picture depicting a raw and primitive brothel scene with five prostitutes, violently painted women, reminiscent of African tribal masks and his own new Cubist inventions. Analytic cubism was jointly developed by Pablo Picasso and Georges Braque, from about 1908 through 1912. Analytic cubism, the first clear manifestation of cubism, was followed by Synthetic cubism, practiced by Braque, Picasso, Fernand Léger, Juan Gris, Albert Gleizes, Marcel Duchamp and
History of painting in the Mexican Revolution, a violent and chaotic period in Mexican history in which various social and political factions fought for recognition and power. The period from the 1920s to the 1950s is known as the Mexican Renaissance, and Siqueiros was active in the attempt to create an art that was at once Mexican and universal. He briefly gave up painting to focus on organizing miners in Jalisco. During the 1930s radical leftist politics characterized many of the artists connected to Surrealism, including Pablo Picasso. On 26 April 1937, during the Spanish Civil War, the Basque town of Gernika was