artmuseum.utoronto.ca · Seth Siegelaub, Walter Zanini, Johannes Cladders, Lucy Lippard, Walter...
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artmuseum.utoronto.ca · Seth Siegelaub, Walter Zanini, Johannes Cladders, Lucy Lippard, Walter Hopps, Pontus Hultén and Harald Szeemann, who were important figures in the shaping