52. (From left) René d’Harnoncourt, Mme Henri Bonnet, Alfred J. Barr, Jr., Jean Daridan of the French Embassy and Nelson Rockefeller at the opening of the exhibition Henri Matisse: A Retrospective at the Museum of Modern Art, New York, in 1951. (Museum of Modern Art Photographic Archive; photograph by Leo Trachtenberg). With The geranium, by Henri Matisse. 1906. Canvas, 100.3 by 81.5 cm. (Art Institute of Chicago).