Andrew Williams worked as a senior producer for the BBC's flagship Panorama and Newsnight programmes, and as a writer and director of history documentaries. He is the author of two bestselling non-fiction books, The Battle of the Atlantic and D-day to Berlin, and four acclaimed novels, The Interrogator, (shortlisted for the Ian Fleming Silver Dagger Award and the Ellis Peters Award), To Kill a Tsar, (shortlisted for the Ellis Peters Award and the Walter Scott Prize), The Poison Tide and The Suicide Club. You can find out more about Andrew Williams and his writing at www.andrewwilliams.tv, and you can follow him on twitter at @AWilliamswriter or on Facebook.
Lucy Worsley is an historian, author, curator and television presenter. Lucy read history at New College, Oxford and worked for English Heritage before becoming Chief Curator at the charity Historic Royal Palaces. She also presents history programmes for the BBC, and her bestselling books include Jane Austen at Home, A Very British Murder: The Curious Story of how Crime was Turned into Art, If Walls Could Talk: An Intimate History of the Home, Courtiers: the Secret History of the Georgian Court and Cavalier: The Story of a 17th century Playboy.