John Sherman Cooper represented Kentucky in the U.S. Senate from 1956-1973. He previously served two separate periods in the U.S. Senate, on the Kentucky Circuit Courts, as Judge of Pulaski County, and in the Kentucky State House of Representatives. He identified as a Republican. He died in 1991.
1964
–Endorsed Nelson Rockefeller (R) for President (lost primary)
–Endorsed Barry Goldwater (R) for President (lost general election)
1976
–Endorsed Gerald Ford (R) for President (lost general election)
1980
–Endorsed Howard Baker (R) for President (lost primary)
1988
–Endorsed George H. W. Bush (R) for President (won)
The Endorsement Project 