Georges Braque 1908 reveals that the effect of his encounter with Picasso was more to accelerate and intensify Braque’s exploration of Cézanne’s ideas, rather than to divert his thinking in any essential way.” Braque’s essential subject is the ordinary objects he has known practically forever. Picasso celebrates animation, while Braque celebrates contemplation. Thus, the invention of Cubism was a joint effort between Picasso and Braque, then residents of Montmartre, Paris. These artists were the style's main innovators. After meeting in October or November 1907, Braque and Picasso, in particular, began working on the development of Cubism in 1908. Both artists produced paintings
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