John Troyer, the director of the Centre for Death and Society at the University of Bath, has moves. You can find his interpretative dances punctuating a number of his lectures, which go by such arresting titles as ‘150 Years of the Human Corpse in American History in Under 15 Minutes with Jaunty Background Music’ and ‘Abusing the Corpse Even More: Understanding Necrophilia Laws in the USA — Now with more Necro! And more Philia!’ (Wisconsin and Ohio are, according to Troyer’s eccentric looking and always fascinating website, ‘two states that just keep giving and giving when it comes to American...