Rainbow the clown, Butlins, Bognor Regis, 2011Gordon Sharpe, AKA Rainbow the Clown, applies his makeup at the Clowns International convention at Butlins, Bognor Regis, in March 2011. For photographer Martin Godwin, it was a fascinating glimpse into the lives of these people, who live slightly on the fringes. Some clowns, he says, are simply childrens entertainers. But this man was more of a lonely Buster Keaton figure he was rather quiet. I like his dyed hair, and slightly punky, alternative