Photo, 1949 Christmas evening at Hans Hartung's with Yves Klein standing on the right, surrounded by Colette and Pierre Soulages
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