Olaf Nicolai developed the work Le pigment de la lumiere for the reconstructed Master's Houses in Dessau. It involved coating the walls with marble dust with varying degrees of granulation to create a geometrical pattern, thus producing a subtle relief that responds to the changing light conditions. In this work, Nicolai continues to pursue his artistic interest in grappling with the formal concept of camouflage, since, to begin with, the wall surfaces are almost invisible to the viewer. Heidi Specker gives Le pigment de la lumiere a heightened sense of presence in her...