Waldemar Mattis-Teutsch is member of the international association Képes, which honours László Moholy-Nagy as their source of inspiration and continues the study of chromatic and luminous effects in their own creations. György Képes (1906-2001) was a personal collaborator of Moholy-Nagy at the New Bauhaus in Chicago, and became later professor at MIT in Boston. In his work Mattis-Teutsch focuses in particular on holographic technology: HOE (Holographic Optical Element).