A commander in the U.S. Naval Reserve , he was a duty officer in the White House Map Room , 1941 – 46 , accompanying Truman to the Potsdam Conference ; Assistant to Clark Clifford , the Special Counsel to the President , 1947 – 49 ; Administrative Assistant to the President , 1949 – 51 ; and Assistant to the Director , Mutual Security Agency , 1951-53 . Having served as Vice-President of the organization between 1958 and 1961 , Elsey became President of the American Red Cross in 1970 , serving in that post until 1982 . He died in Tustin , California on December 30 , 2015 . He provided an oral history to the Truman Presidential Library in July 1969
Potsdam Conference
Potsdam Conference
George Elsey