Karel Appel Jean (Hans) Arp Mary Bauermeister Christo Piero Dorazio Jean Dubuffet Marcel Duchamp Lyonel Feininger T. Lux Feininger Eric Fonteneau Sam Francis Hubertus Gojowczyk Archile Gorky George Grosz David Hockney Mildred Howard Jean-Baptiste Isabey Alexej von Jawlensky Wassily Kandinsky R. B. Kitaj Paul Klee Henri Matisse Henry Moore Simon Norfolk Victor Obsatz Gunnar Örn Lothar Osterburg Richard Pettibone Pablo Picasso André Raffray Lucas Samaras Gino Severini Mark Tobey