Shadow follows the substance,Klaus Guingand artwork. br Robert Wilson poses for Guingand so that he immortalizes his shadow. br Robert Wilson answers the question." For you, what is a shadow? " br br Shadow follows the substance br About: br 20 Famous contemporary artists pose for Klaus Guingand,so that he immortalizes their shadow br Each shadow is painted on a canvas 79 X 60 in br Each artist signs the painting with Klaus Guingand. br Each artist answers the same question. br Each meeting is filmed.