Proto-Cubism Braque "builds an architectural monster which he names woman". Braque was, according to Burgess, "the originator of architectural nudes with square feet, as square as boxes, with right-angled shoulders". Derain, "a co-experimenter," writes Burgess, "moulds a neolithic man into a solid cube, creates a woman of spheres, stretches a cat out into a cylinder, and paints it red and yellow!" In his 1912 "Anecdotal History of Cubism" André Salmon writes: Jean Metzinger and Robert Delaunay painted landscapes planted with cottages reduced to the severe appearance of parallelepipeds. Living less of an interior life than Picasso, remaining to all outward appearances
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