office on January 17, 1972. Sullivan unsuccessfully sought the Democratic nomination for the U.S. Senate in 1978 in a race ultimately won by Republican Thad Cochran. Death Traveling home from Oxford, Mississippi, Sullivan was killed when his plane crashed in a remote area near Clarksdale, Mississippi. He was 54. References Works cited External links 1924 births 1979 deaths Accidental deaths in Mississippi People from Clarksdale, Mississippi Mississippi lawyers Mississippi National Guard personnel Candidates in the 1960 United States presidential election Lieutenant Governors of Mississippi Victims of aviation accidents or incidents in the United States Constitution Party (United States, 1952) politicians 20th-century American lawyers 20th-century American politicians