Source: Oxford University Press
French painter, collagist, draughtsman, printmaker and sculptor. His most important contribution to the history of art was his role in the development of what became known as Cubism. In this Braque’s work is intertwined with that of his collaborator Pablo Picasso, especially from 1908 to 1912. For a long time it was impossible to distinguish their respective contributions to Cubism, for example in the development of Collage, while Picasso’s fame and notoriety overshadowed the quiet life of Braque.
From Grove Art Online