Western painting the feelings of emotional liberation and hedonism. Pablo Picasso made his first cubist paintings 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 created a new and radical picture depicting a brothel scene with five prostitutes, violently painted women, reminiscent of African tribal masks and his own Cubist inventions. Cubism was jointly developed from about 1908 through 1912 by Pablo Picasso and Georges Braque, whose "Violin and Candlestick, Paris" (1910) is shown here. The first clear manifestation of Cubism was practised by
Pablo Picasso her home in Paris. At one of her gatherings in 1905, he met Henri Matisse, who was to become a lifelong friend and rival. The Steins introduced him to Claribel Cone and her sister Etta who were American art collectors; they also began to acquire Picasso and Matisse's paintings. Eventually Leo Stein moved to Italy. Michael and Sarah Stein became patrons of Matisse, while Gertrude Stein continued to collect Picasso. In 1907, Picasso joined an art gallery that had recently been opened in Paris by Daniel-Henry Kahnweiler. Kahnweiler was a German art historian and art collector who became one of