tiberghien, gilles a (2) tiedemann, rolf tiffany tiffany * tillim, sidney tinguely, jean * (2) tisdall, caroline (2) tobben, irene tomczak, frauke tomkins, calvin torra- mattenklott, caroline hg (2) torres, ana maria tosatto, g toyka, rolf tradler, birgit trier, eduard (2) trockel, rosemarie * (3) troester, christian