After training at the Slade School of Art in London, he found that he was less interested in the artwork itself than in the boundaries between it and the world - hence some of his best - known pieces, such as No 79 (small blob of Blu -
Tack squidged on wall), No 88 (sheet of A4 paper scrunched into ball) and his sign on the facade of Tate Britain that read: The Whole World + The Work = The Whole World.