James Ramsay MacDonald FRS (né James McDonald Ramsay; 12 October 1866 – 9 November 1937) was a British statesman who was the first Labour Party politician to become Prime Minister of the United Kingdom, leading minority Labour governments for nine months in 1924 and then in 1929–31. From 1931 to 1935, he headed a National Government dominated by the Conservative Party and supported by only a few Labour members. MacDonald was later vehemently denounced by and expelled from the party he had helped to found.