Sir Winston Leonard Spencer-Churchill, (30 November 187424 January 1965) was a British politician who was the Prime Minister of the United Kingdom from 1940 to 1945 and again from 1951 to 1955. Widely regarded as one of the greatest wartime leaders of the 20th century, Churchill was also an officer in the British Army, a historian, a writer, and an artist. He is the only British Prime Minister to have won the Nobel Prize in Literature, and was the first person to be made an honorary citizen of the United States.
Churchill was born into the aristocratic family of the Dukes of Marlborough, a branch of the Spencer family. His father, Lord Randolph Churchill, was a charismatic politician who served as Chancellor of the Exchequer; his mother, Jennie Jerome, was an American socialite. As a young army officer, he saw action in British India, The Sudan, and the Second Boer War. He gained fame as a war correspondent and wrote books about his campaigns.