Dr Nick Barratt obtained a PhD in history from King's College London in 1996.
Nick has his own weekly column in the Daily Telegraph called The Family Detective and has published several books, including Tracing the History of Your House (TNA, 2nd ed, 2006), The Family Detective (2006) and Who Do You Think You Are 2 (2005) and 3(2006) to accompany the TV series two and three, as well as the Who Do You Think You Are Encyclopedia of Geneology.