Robert Edward White ( September 21 , 1926 -- January 14 , 2015 ) was an American career diplomat who served as US Ambassador to Paraguay ( 1977 -- 1980 ) and to El Salvador ( 1980 -- 1981 ) .
Robert E. White ( September 21 , 1926 -- January 13 , 2015 ) was an American career diplomat . He served as U.S. Ambassador to Paraguay from 1977 until 1980 and to El Salvador from 1980 until 1981 .