Hubert Horatio Humphrey, Jr. served under President Lyndon B. Johnson as the 38th Vice President of the United States.
Humphrey twice served as a United States Senator from Minnesota, and served as Democratic Majority Whip. He was a founder of the Minnesota Democratic-Farmer-Labor Party and Americans for Democratic Action. He also served as Mayor of Minneapolis, Minnesota from 1945 to 1948. Humphrey was the nominee of the Democratic Party in the 1968 presidential election but lost to the Republican nominee, Richard Nixon.