Field Marshal Montgomery and Winston Churchill at the Alamein Reunion. Field Marshal Bernard Law Montgomery, 1st Viscount Montgomery of Alamein, KG, GCB, DSO, PC, DL (17 November 1887 - 24 March 1976), nicknamed ""Monty"" and ""The Spartan General"", was a senior British Army officer who served in the First World War, the Irish War of Independence and the Second World War. Sir Winston Leonard Spencer Churchill, KG, OM, CH, TD, DL, FRS, RA (30 November 1874 - 24 January 1965) was a British statesman who served as Prime Minister of the United Kingdom from 1940 to 1945, during the Second World War, and again from 1951 to 1955. Best known for his wartime leadership as Prime Minister, Churchill was also a Sandhurst-educated soldier, a Nobel Prize-winning writer and historian, a prolific painter, and one of the longest-serving politicians in British history.