How did witches transition from terrifying old crones to symbols of female empowerment? Was Count Dracula inspired by a real person? And why do ghosts wear white sheets? To explore the long history of all things that go bump in the night, Professor Owen Davies tackles listener questions with Ellie Cawthorne, on the unearthly history and evolving mythology of our most popular Halloween monsters – from forgotten monsters of the past, to the first photograph of a ghost.