Henri Matisse, Sketch for Le Bonheur de vivre (The Joy of Life), 1905-6; collection SFMOMA, bequest of Elise S. Haas; © Succession H. Matisse, Paris / Artists Rights Society (ARS), New York; photo: Ben Blackwell

Art feud of the day:
Picasso vs. Matisse. Matisse led with bold color; Picasso answered with Cubism that basically screamed “Matisse who?” Matisse clapped back with a shady gift. Picasso hung a Matisse painting—in his bathroom. #ArtHistory #PettyIcons #Frenemies #CubismVsFauvism