Artful Adultery
Two major exhibits in London this fall try to tease out an answer. “Madame de Pompadour: Images of a Mistress” at the National Gallery (through Jan. 12) and the Wallace Collection’s “The Art of Love: Madame de Pompadour” (through Jan. 5) are concerned primarily with how she transformed herself from the plain Mademoiselle Poisson first into a femme fatale and later into a power broker and patron of the arts....