Photo, 1961 "Fire Fountain" during the exhibition "Yves Klein Monochrome und Feuer" at the Museum Haus Lange
Photo, 1957 View of Yves Klein's "Aerostatic Sculpture" during his exhibition "Yves Klein: Propositions Monochromes", Galerie Iris Clert
Photo, 1959 Soto during the Opening of the exhibition “Vision in Motion - Motion in Vision", Hessenhuis, Antwerp
Photo, 1959 Jean Tinguely during the Opening of the exhibition "Vision in Motion - Motion in Vision", Hessenhuis, Antwerp