Mary Cassatt: critics have compared her Little Girl in a Blue Armchair to Balthus’s controversial Thérèse Dreaming. Photograph courtesy of National Gallery of Art, Washington, DC

In her native United States Mary Cassatt is a well-known and much-loved painter. But in France, where Cassatt spent more than three-quarters of her lo(...)

A detail from Gilbert Alexandre de Séverac’s Portrait de Claude Monet (1865). Courtesy of Musée marmottan Monet, Paris

Claude Monet left the Channel port town of Le Havre for Paris in 1859, at the age of 19. His father, a ship’s chandler, was dubious about young Claude(...)

Detail from Dance at Bougival (1883) by Pierre-Auguste Renoir. Copyright Museum of Fine Arts, Boston

In one of the ironies of art history, the great French art dealer Paul Durand-Ruel “discovered” Impressionism in London in January 1871 because he,(...)