Hidden on the backs of canvases or scrawled on scraps of paper, doodles have allowed artists down the ages, from Michelangelo to Picasso, to test, explore and unleash their creativity. The Barron's ...

For Pablo Picasso, sculpture has always been a kind of three-dimensional doodling, a device to work out ideas he intends to enshrine in oil. He keeps his numerous constructions of found objects, sheet ...