 John Bunyan's "The Pilgrim's Progress" was based upon a work that is said to be placed in American hotel bedrooms because it is too dull for anyone to steal it.Glyn Hughes has linked the idea to Burman's own childhood (he was baptised in the same font as Bunyan and regularly visited the church), his belief in Republicanism shared with Bunyan, and a healing process for Burman himself.Following his death, there have been three retrospectives