"It's one of those questions one is not supposed to raise in France, like so many others concerning that period. But what did happen in the art world during the occupation? Resistance, collaboration or cautious withdrawal? To simplify matters, one might say there was one painter for each stance: Picasso joined the Resistance, Derain collaborated and Matisse kept a low profile. Others such as Breton, Duchamp, Ernst, Léger, Masson or Mondrian sought exile in New York.
L'Art en Guerre, France 1938-47 is at Musée d'Art Moderne de la Ville de Paris, France, until 17 February"