After Secretary of State Dean Acheson deposited the U.S. ratification to the Japanese Peace Treaty, making the former enemy once more a free nation, Ryuji Takeuchi (left) became Japan's Charge D'Affaires, and secretary Acheson (right) exchanged instruments of ratification of the Security Treaty between the United States and Japan. Looking on (centre) is John Foster Dulles, author of the peace treaty. 28/4/1952