The Boy Who Draws Buildings

Stephen Wiltshire is autistic, but at the age of 6, he could draw buildings in perspective. At 12, when he was first seen by eight million viewers on QED, Sir Hugh Casson called him 'probably the best child artist in Britain'. Four years later, Stephen is now a successful artist, with his own commerical agent and three books of drawings to his name. But what has his success done for him and his handicap?