Winston Churchill (1874-1965) British Prime Minister 1940-45 & 1951-55, widely regarded as one of the great wartime leaders of the 20th century), fine signature on 1959 letter on '28 Hyde Park Gate, London SW7' letterhead (Churchill's London residence), addressed to Denis Kelly, an Irish lawyer who was one of Churchill's archivists, and worked as literary assistant on his wartime memoire. a pleasing example of Churchill's autograph