In the voluminous scholarship that's been written on Paul Cézanne, little has been said about the twenty-four portraits in oil that Cézanne made of his wife, Hortense Fiquet Cézanne, over an extended twenty-year period. In Cézanne's Other: The Portraits of Hortense , Susan Sidlauskas breaks new ground, focusing on these paintings as a group and looking particularly at the differences that render many of them unrecognizable as the same person. She...