Karel Appel Jean (Hans) Arp Giacomo Balla Ernst Barlach Christo Piero Dorazio Jean Dubuffet Marcel Duchamp Lyonel Feininger T. Lux Feininger Lucio Fontana Eric Fonteneau Sam Francis Arshile Gorky David Hockney Jean-Baptiste Isabey Alexej von Jawlensky Vassily Kandinsky Ernst Ludwig Kirchner Paul Klee Roy Lichtenstein Richard Lindner Marino Marini Albert Marquet Henri Matisse Henry Moore Emil Nolde Victor Obsatz Pablo Picasso André Raffray Lucas Samaras Kurt Seligmann Mark Tobey Cy Twombly Tom Wesselmann