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Participants will include South African artist William Kentridge with Ernst Vegelin van Claerbergen, head of the Courtauld Gallery in London; Phyllida Barlow with Luke Syson, Iris and B. Gerald Cantor, chairman of European Sculpture and Decorative Arts at The Metropolitan Museum of Art in New York; and Edmund de Waal with Paulus Rainer, deputy head of Kunstkammer and Treasury at Kunsthistorisches Museum in Vienna.