Andrew Roberts took a first in Modern History at Cambridge. He has been a professional historian since the publication of his life of Lord Halifax , The Holy Fox, in 1991, followed by Eminent Churchillians in 1994 . He contributes regularly to the Sunday Telegraph. Lives in Knightsbridge, London, and has two children. His Salisbury won the Wolfson History Prize in 2000. His books include Napoleon and Wellington in 2001, Hitler and Churchill (based on BBC-2 series) in 2003. What Might Have Been (editor) in 2004. His History of the English Speaking Peoples Since 1900 was published in 2006 and won the Walter Bagehot Prize .