Dr Nick Barratt is a medieval historian by trade, gaining a PhD from Kings College London. He worked at the Public Record Office - now the National Archives - for several years, before moving to the BBC as a specialist researcher, and established Sticks Research Agency. His research credits include House Detectives, Seven Wonders of the Industrial World and Who Do You Think You Are? which he also presented. He is currently a director of Firebird Media and is on the National Executive of the Federation of Family History Societies. He works as a columnist for The Daily Telegraph and has published several books on house and family history.