John Guy is a historian, author and broadcaster and one of the world's leading scholars of Tudor history. Guy received his Bachelor's and PhD from Cambridge University. The author of 16 books, he is a regular guest on multiple BBC radio shows and a BBC documentary presenter. Julia Fox is a teacher and author. She taught history at schools throughout London, having obtained her degree in history from the University of London. She is the author of two books, Jane Boleyn and Sister Queens.