Pablo Picasso the premier French art dealers of the 20th century. He was among the first champions of Pablo Picasso, Georges Braque and the Cubism that they jointly developed. Kahnweiler promoted burgeoning artists such as André Derain, Kees van Dongen, Fernand Léger, Juan Gris, Maurice de Vlaminck and several others who had come from all over the globe to live and work in Montparnasse at the time. Picasso's African-influenced Period (1907–1909) begins with his painting "Les Demoiselles d'Avignon". Picasso painted this composition in a style inspired by Iberian sculpture, but repainted the faces of the two figures on the right after being
Pablo Picasso by which time the artist had started to sign his work "Picasso"; before he had signed "Pablo Ruiz y Picasso". Picasso's Blue Period (1901–1904), characterized by sombre paintings rendered in shades of blue and blue-green, only occasionally warmed by other colours, began either in Spain in early 1901, or in Paris in the second half of the year. Many paintings of gaunt mothers with children date from the Blue Period, during which Picasso divided his time between Barcelona and Paris. In his austere use of colour and sometimes doleful subject matter – prostitutes and beggars are frequent subjects – Picasso