As you'd imagine the list is long and if not endless then at least lengthy. You'd have to put on it all the renaissance stars, Michelangelo, Raphael, the dadaists, Tristan Tzara, a few situationists, Duchamp, Mauritzio Catalan, Beuys anyone who has made work with humour and integrity and tried to get something more as a response than just 'ho hum, nice use of green' - now there's an idea for a T shirt...