Nick Barratt is an author, broadcaster and historian best known for his work on BBC’s Who Do You Think You Are. He is an honorary associate professor of public history at the University of Nottingham, and acting Director of Library Services at the University of London’s Senate House Library as well as a teaching fellow at the University of Dundee. His most recent publication, The Forgotten Spy, tells the story of his great uncle – Stalin’s first mole in Whitehall – and is working on The Restless Kings, which explores the reigns of Henry II, Richard I and John. He is currently the President of the Federation of Family History Societies and sits on the Executive Committee of the Community Archives and Heritage Group.
Ernest Holloway Oldham led an extraordinary double life. To the outside world, he was a respectable civil servant in the Foreign Office, playing an important part in Britain’s diplomatic service after the end of the First World War. However, he had a terrible secret –