Georges Braque He painted many still life subjects during this time, maintaining his emphasis on structure. One example of this is his 1943 work "Blue Guitar", which hangs in the Allen Memorial Art Museum. During his recovery he became a close friend of the cubist artist Juan Gris. He continued to work during the remainder of his life, producing a considerable number of paintings, graphics, and sculptures. Braque, along with Matisse, is credited for introducing Pablo Picasso to Fernand Mourlot, and most of the lithographs and book illustrations he himself created during the 1940s and '50s were produced at the Mourlot Studios.
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