Alexander MacCallum Scott (1874-1928) was Liberal MP for Glasgow Bridgeton. He was president of Glasgow University Union, worked briefly served as private secretary to Winston Churchill, and was the first biographer of Churchill (works published 1905 and 1916). He died in the crash of an aeroplane flying between Victoria, British Columbia, and Seattle. His son, John Hutchison MacCallum Scott was active in the Liberal Party and contested the 1945 General Election at Leeds North and later became involved with Liberal International.