 He left a vivid and nostalgic testimony of this very end of the age of sail in his book "The Last Voyage of the Schooner Rosamond".In 1945, Chevalier served as a translator for the Nuremberg Trials.He translated many works by Salvador Dalí, André Malraux, Vladimir Pozner, Louis Aragon, Frantz Fanon and Victor Vasarely into English.