Farbenlehre, 1999, 230 x 500 cm, light filtering on Ilfochrome, aluminum Goethe, 2000, 270 x 160 x 197 cm, colored glass, steel Gallery Gasser & Grunert, New York, 2000
Farbenlehre, 1996, 4,66 x 30,38 m, light filtering on Ilfochrome, aluminum sandwich Permanent installation in the Trade Fair Center Leipzig
Farbenlehre, 1997, 240 x 470 cm, light filtering on Ilfochrome, aluminum sandwich, 5 parts Collection Best, Cologne
Rot Gelb Blau, 2000, colored glass, permanent installation, various parts, University of Wismar Collaboration with Lepel & Lepel architects, Cologne
Michel Eugène Chevreul, 1996, 270 x 40 x 218 cm, light filtering on Ilfochrome, aluminum sandwich, steel, felt
Isaac Newton, 1998, 224 x 154 x 345 cm, colored glass, acrylic, steel, Sophien & Hufeland Kliniken, Weimar
Installation view studio, 2000, Berlin 5 Farbenlehre scultures, steel, acrylic