Claude Cahun (1894-1954), the chosen name of the artist Lucy Schwob, was best known in her lifetime as a writer but built up a remarkable body of photographic work that only came to prominence after her death. Politically active and involved with a wide circle of artists and intellectuals, including the surrealists, Cahun followed her own rules in both life and art. She is best known for her strikingly staged self-portraits, in which she...