Photo, 1960 Yves Klein, Rotraut, Jean Tinguely and Eva Aeppli at the opening of the exhibition "Yves le Monochrome" at the Galerie Rive Droite
Photo, octobre-novembre 1960 Rotraut and Marie Raymond in front of Anthropometry (ANT 76) during the exhibition "Yves Klein le Monochrome" at the Galerie Rive Droite
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, 1960 Yves Klein, Rotraut, Jean Tinguely and Eva Aeppli during the opening of the exhibition “Yves Klein le Monochrome” at the Galerie Rive Droite
Photo, 1959 Inauguration of the Gelsenkirchen Opera Theater in the presence of Jean Tinguely and Yves Klein