8. Richard Nixon
Richard Nixon, the 37th President of the US, served office from 1969 to 1974. , when he resigned from office. Nixon has also served as the Vice President of the US from 1953 to 1961.
9. Lyndon B. Johnson
Lyndon B. Johnson served as the 36th President of the US from 1963 to 1969. He was, earlier, the 37th Vice President of the US under President John F. Kennedy until 1963.