Edward Reilly Stettinius , Jr. ( October 22 , 1900 -- October 31 , 1949 ) was an American businessman who served as United States Secretary of State under Presidents Franklin D. Roosevelt and Harry S. Truman from 1944 to 1945 , and as U.S. Ambassador to the United Nations from 1945 to 1946 .
Edward Reilly Stettinius , Jr. ( October 22 , 1900 -- October 31 , 1949 ) was an American politician . He served as United States Secretary of State under Presidents Franklin D. Roosevelt and Harry S. Truman , serving from 1944 to 1945 .