In his time, Gerald Hamilton (1890–1970) was an almost legendary figure, but he is now remembered — if at all — as the model for the genial conman in Christopher Isherwood’s novel Mr Norris Changes Trains (1935). ‘There are some incidents in my career, as you doubtless know, which are very easily capable of misinterpretation,’ Arthur Norris tells the book’s narrator, and Hamilton affected to be deeply shocked by the assorted vices attributed to his fictional alter ego.