Justin Pollard is a historian who has several jobs which together almost make up a career. He spends most his time writing books, magazine articles and television shows and advising on feature films. In print he has written a biography of Alfred the Great and a history of ancient Alexandria, whilst on television he is one of the writers of the BBC show QI. He has also worked on lots of different movies from Elizabeth and The Boy in the Striped Pyjamas to Pirates of the Caribbean. He has also written nine books, one of which has an exploding toilet in it.