[Henri Matisse sitting next to his model for the Chapel of the Rosary in Vence at the Hotel Regina in Cimiez, Nice, France]

[Henri Matisse sitting and studying his model for the Chapel of the Rosary in Vence at the Hotel Regina in Cimiez, Nice, France]

[Henri Matisse signing a poster from his bed at the Hotel Regina in Cimiez, Nice, France]

[Henri Matisse working from his bed at the Hotel Regina in Cimiez, Nice, France]

[Henri Matisse smiling and working from his bed at the Hotel Regina in Cimiez, Nice, France]

[Karel Appel painting with his fingers in front of a window in his studio in Rue Santeuil, Paris]

[Karel Appel kneeling and checking his brushes in his studio in Rue Santeuil, Paris]

[Pablo Picasso smoking and holding a skeleton sculpture called "Tete de Mort" in his hands in his studio on the rue Grands Augustins, Paris]

[Pablo Picasso holding a baby in his arms, Vallauris, France]

[Pablo Picasso holding a baby in his arms, Vallauris, France]

[Pablo Picasso bending picking up a sun beach umbrella on the shore, Vallauris, France]

[Pablo Picasso bending, with a cigarette hanging in his lips, and people on the shore, Vallauris, France]

[Pablo Picasso smoking with two men on the shore, Vallauris, France]

[Pablo Picasso holding his son Claude the ocean, Vallauris, France]

[Françoise Gilot walking with Pablo Picasso pulling Claude in a baby carriage along the seafront, Vallauris, France]

[Pablo Picasso standing in front of the exterior gate of in his attic studio in Rue des Grands Augustins, Paris]

[Pablo Picasso standing in front of the exterior gate of in his attic studio in Rue des Grands Augustins, Paris]

[Pablo Picasso petting his Afghan dog, Kazbeck, and sitting in front of the plaster for "Man with a Lamb" and Head of a Woman" in his studio on the rue Grands Augustins, Paris]

[Pablo Picasso petting his Afghan dog, Kazbeck, and sitting in front of the plaster for "Man with a Lamb" and Head of a Woman" in his studio on the rue Grands Augustins, Paris]

[Afghan dog called Kazbeck sitting in the sun in Pablo Picasso's studio on the rue Grands Augustins, Paris]

[US soldiers looking at Pablo Picasso's paintings in his studio on the rue Grands Augustins, Paris]

[US soldiers looking at Pablo Picasso's paintings in his studio on the rue Grands Augustins, Paris]

[Pablo Picasso sitting on a stool talking to some people in his studio on the rue Grands Augustins, Paris]

[Pablo Picasso playing a trumpet in front of a window in his studio on the rue Grands Augustins, Paris]