In 2003, Brisbane artist Richard Bell lambasted the white anthropologists, art historians, dealers and curators who presumed to judge Aboriginal art. Here he discusses Bell’s Theorem (Aboriginal Art: It’s A White Thing), racism and his rise from fringe-dweller to renowned contemporary artist, collected by London’s Tate Modern. His gallerist, Josh Milani, salutes Bell’s provocations: ‘The more he offends people, the more I put his prices up’.