Photo, 1959 Inauguration of the Gelsenkirchen Opera Theater in the presence of Jean Tinguely and Yves Klein
Photo, 1959 International collaboration between artists and architects in the realisation of the new Gelsenkirchen Opera House
Photo, march 9th 1960 Presentation of the "Anthropométries de l'Époque Bleue" at the Galerie Internationale d'Art Contemporain