Harry S. Truman and Joseph Stalin meeting at the Potsdam Conference on July 18, 1945. From left to right, first row: Stalin, Truman, Soviet Ambassador Andrei Gromyko, Secretary of State James F. Byrnes, and Soviet Foreign Minister Vyacheslav Molotov. Second row: Truman confidant Harry H. Vaughan [1], Russian interpreter Charles Bohlen, Truman naval aide James K. Vardaman, Jr., and Charles Griffith Ross (partially obscured) [2].