Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, 1961 "Fountain of Fire" at the exhibition "Yves Klein Monochrome und Feuer", Museum Haus Lange
Photo, 1961 "Fountain of Fire" during the exhibition "Yves Klein Monochrome und Feuer", Museum Haus Lange
Photo, 1957 Yves Klein in front of his Sponge Sculpture at the exhibition "Monochrome Propositions of Yves Klein" Gallery One, London