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Long concerned with movement, the American sculptor Alexander Calder invented what Marcel Duchamp named the ‘mobile’. These works brought a lightness and movement to the traditionally static and solid world of sculpture. Calder first showed T and Swallow under the generic title Mobile in the Abstract and Concrete exhibition in London in 1936. He altered the title in 1970 to draw attention to the hanging form that is an abstracted sign for a swallow.

December 2005