His art are in many collections such as: Centre Pompidou, Paris; ZKM Karlsruhe; Whitney Museum of American Art, New York; Joseph Albers Museum; V&A Museum, London; Stedelijk Museum, Amsterdam; Musée d'Art Moderne et Contemporain, Strasbourg; Thoma Art Foundation, Chicago; Fondation Guy & Myriam Ullens, Geneva & more.
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Programm 67 "I Ching", 1970
Plotterzeichnung
Unique
Exhibited at “Automat und Mensch” show, Zürich, Kate Vass Galerie, 2019