20th-century Western painting painters included Albert Marquet, Charles Camoin, Maurice de Vlaminck, Raoul Dufy, Othon Friesz, the Dutch painter Kees van Dongen, and Picasso's partner in Cubism, Georges Braque amongst others. Fauvism, as a movement, had no concrete theories, and was short lived, beginning in 1905 and ending in 1907. The Fauves had only three exhibitions. Matisse was seen as the leader of the movement, due to his seniority in age and prior self-establishment in the academic art world. His 1905 portrait of Mme. Matisse, "The Green Line" (above), caused a sensation in Paris when it was first exhibited. He said he wanted
Czech Cubism secessionist designers such as Otto Wagner and Jan Kotěra. Architects such as Josef Chochol and Pavel Janák devised spiritualist philosophies of design and a dynamic ideal of planar form derived from cubist art. As Cubism spread across the European continent in the early 20th century, its greatest impact can be seen today in the Czech Republic. Pyramid and crystal forms were one of the signature principles seen in Czech Cubism which was incorporated in architecture, furniture, and applied arts. The Museum of Decorative Arts in Prague (UPM) uses the House of the Black Madonna as a permanent exhibition space for