Featured artworks by: Carla Accardi, Josef Albers, Carl Andre, March Avery, Enrico Baj, Max Bill, Alighiero Boetti, Antonio Calderara, Gaston Chaissac, Suzan Frecon, On Kawara, Jannis Kounellis, Meret Oppenheim, Pablo Picasso, Ken Price, Jackson Pollock, Man Ray, Ed Ruscha, Sophie Taeuber-Arp, Mark Tobey, Andy Warhol, Tom Wesselmann