Edmund Muskie (D-ME)

Edmund Muskie represented Maine in the U.S. Senate from 1959-1980. He previously served as Governor of Maine and in the Maine State House of Representatives. He later served as U.S. Secretary of State. He identified as a Democrat. He died in 1996.

1968

–Endorsed Hubert Humphrey (D) for President (lost general election)

1980

–Endorsed Ted Kennedy (D) for President (lost primary)