• Exhibition, Group ZERO. Mack Piene Uecker, Howard Wise Gallery, New York, 1964,<br /> photo: Heinz Mack
    Exhibition, Group ZERO. Mack Piene Uecker, Howard Wise Gallery, New York, 1964,
    photo: Heinz Mack
  • Exhibition, Hommage à George de la Tour, Galerie Diogenes, Berlin, 1960, photo: Heinz Mack
    Exhibition, Hommage à George de la Tour, Galerie Diogenes, Berlin, 1960, photo: Heinz Mack
  • Exhibition, Between the Times, Museum Ostwall, Dortmund, 2012, photo: Studio Mack
    Exhibition, Between the Times, Museum Ostwall, Dortmund, 2012, photo: Studio Mack
  • Heinz Mack in his studio, Gladbacher Straße, Düsseldorf, ca. 1958, photo: Charles Wilp
    Heinz Mack in his studio, Gladbacher Straße, Düsseldorf, ca. 1958, photo: Charles Wilp
  • Foam sculpture, ZERO-Exhibition, Galerie Diogenes, Berlin, 1963, photo: dpa
    Foam sculpture, ZERO-Exhibition, Galerie Diogenes, Berlin, 1963, photo: dpa