The painting was a sort of joke, a tribute to Picasso.” And Picasso’s painting ... Of Madame Matisse’s portrait, the poet Guillaume Apollinaire said Matisse had reinvented voluptuousness ...

In Paris, where he moved at the age of 22, Picasso immersed himself in another cluster of exuberant minds—writers Guillaume Apollinaire and Gertrude Stein and artists Henri Matisse, André ...