Alexandra Churchill is an author, researcher and historian who has contributed to and appeared on numerous television documentaries, including Timewatch (BBC2), Fighting the Red Baron (Channel 4) and Titanic with Len Goodman (BBC1). Her first book, Blood and Thunder: The Boys of Eton College and the First World War, was published in 2014. Her second book was Over Land and Sea: Chelsea FC in the Great War (2015) and her latest book was ' Passchendaele: 103 Days In Hell '.