Sir Winston Leonard Spencer-Churchill (30 November 1874 – 24 January 1965) was a British statesman, army officer, and writer, who served as Prime Minister of the United Kingdom from 1940 to 1945 and again from 1951 to 1955. Over the course of his career as a Member of Parliament (MP), he represented five constituencies in both England and Scotland. During his time as Prime Minister, Churchill led Britain to an allied victory in the Second World War.