Pablo Picasso Pablo Picasso Pablo Ruiz Picasso (; ; 25 October 1881 – 8 April 1973) was a Spanish painter, sculptor, printmaker, ceramicist, stage designer, poet and playwright who spent most of his adult life in France. Regarded as one of the most influential artists of the 20th century, he is known for co-founding the Cubist movement, the invention of constructed sculpture, the co-invention of collage, and for the wide variety of styles that he helped develop and explore. Among his most famous works are the proto-Cubist "Les Demoiselles d'Avignon" (1907), and "Guernica" (1937), a dramatic portrayal of the bombing of Guernica
Naïve art of perspective. One particularly influential painter of "naïve art" was Henri Rousseau (1844–1910), a French Post-Impressionist who was discovered by Pablo Picasso. Naïve art is often seen as outsider art that is by someone without formal (or little) training or degree. While this was true before the twentieth century, there are now academies for naïve art. Naïve art is now a fully recognized art genre, represented in art galleries worldwide. The characteristics of naïve art are an awkward relationship to the formal qualities of painting, especially not respecting the three rules of the perspective (such as defined by the "Progressive