Harry F. Byrd Jr.
Byrd served in the Senate of Virginia from 1948 to November 1965. In November 1965, Byrd's father resigned from the U.S. Senate for health reasons. At Harry, Sr.'s suggestion, Harry, Jr. was appointed to succeed him by Virginia Governor Albertis S. Harrison Jr.. He won a special election as a Democrat to serve the remainder of his father's term in 1966.