simmel, georg (2) simonnet, cyrille singer, karl helmut skirl, miguel skopec, manfred slotta, rainer (2) smiles, sam smith, kiki * (4) smith, rex alan smith, roberta smithson, robert (7) smithson, robert * (22) smolka, margund * soell, aenne soentgen, jens solano, susana * sotriffer, kristian (2) sottsass, ettore