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
Pablo Picasso technique, an apocryphal story relates, Ruiz felt that the thirteen-year-old Picasso had surpassed him, and vowed to give up painting, though paintings by him exist from later years. In 1895, Picasso was traumatized when his seven-year-old sister, Conchita, died of diphtheria. After her death, the family moved to Barcelona, where Ruiz took a position at its School of Fine Arts. Picasso thrived in the city, regarding it in times of sadness or nostalgia as his true home. Ruiz persuaded the officials at the academy to allow his son to take an entrance exam for the advanced class. This process often