Alfred Mossman Landon, known as Alf Landon (September 9, 1887 – October 12, 1987), was an American Republican politician, who served as the 26th Governor of Kansas from 1933 to 1937. He was best known for having been the Republican Party's (GOP) nominee for President of the United States, defeated in a landslide by Franklin D. Roosevelt in the 1936 presidential election.
Born in 1887 in West Middlesex, Pennsylvania, Landon grew up in Marietta, Ohio. He moved with his family to Kansas at age 17 and graduated from the University of Kansas in 1908. He first pursued a career in banking, but in 1912 he became an independent petroleum producer in Independence, Kansas. During World War I, Landon served in the Army as a first lieutenant in chemical warfare. By 1929 the oil industry had made him a millionaire.
Landon supported Theodore Roosevelt's Progressive Party in 1912, and, in 1922, was private secretary to the governor of Kansas. He later became known as the leader of the liberal Republicans in the state. He was elected chairman of the Republican state central committee in 1928 and directed the Republican successful presidential and gubernatorial campaigns in Kansas in that