Robert Alphonso Taft (September 8, 1889 – July 31, 1953) was an American politician for the Republican Party. He was the son of President William Howard Taft. He served as the Senator of Ohio from January 3, 1939 until his death in July 31, 1953. Taft was also the Senate Majority Leader from January 3, 1953 until his death on July 31, 1953. He is thought to be one of the greatest Senators in American history. He ran for President four times from 1940, 1944, 1948, and in 1952.