You're entitled to ask why you should be interested in a comedian you've never heard of who died 60-odd years ago. Bob Hope called Sid Field "probably the best comedian of them all". For Tony Hancock, Field was inspirational and David Suchet tells a good story with actorly flourishes. Tragically, scarcely a fragment of Field in action survives. Yet we get a glimmer of how Field created the character-based sketch comedy that's become the norm in British comedy. He also pioneered camp - "the original mince," observes Julian Clary, tartly.