With words from Hans Ulrich Obrist (Director of International Projects, Serpentine Gallery), Pontus Hultén (Museum Director), Johannes Cladders (Director, Abteiberg Museum), Jean Leering (Director, Van Abbemuseum), Werner Hofmann (Director, Hamburger Kunsthalle), Harald Szeeman (Maker of Exhibitions), Seth Siegelaub (art dealer, publisher & exhibition organiser), Anne D’harnoncourt (Director, Philadelphia Museum of Art), Lucy Lippard (Art Critic/Theorist) HANS ULRICH OBRIST: I was wondering what acted as triggers for you, who were your role models in terms of curatorial pioneers, what were the influences for you when you started? TONY TREHY: My strongest influence was actually the spatial thinking of Mikhail Tal, the Latvian Chess genius. I used to play competitively – and to study Tal’s games is to enter a world of staggering multi-dimensionality. For this reason, it surprises me that the artworld doesn’t make more of Duchamp’s Chess games. It is really significant that he gave up