退廃芸術
He was amongst one of the 200 pioneers of the French Resistance – he was in the Groupe du musée de l'Homme – during the summer of 1940 and participated at the Degenerate art exhibitions. He sculpted so "La Déchirée" ("The Torn"), which was brought to London and given to General Charles de Gaulle, became one of the symbols of the French Resistance.