Photograph of participants in a conference aboard President Truman's yacht, the U.S.S. WILLIAMSBURG: (seated, left to right) British Foreign Secretary Anthony Eden; British Prime Minister Winston Churchill; President Truman; Secretary of State Dean Acheson; Secretary of the Treasury John Snyder; Secretary of Defense Robert Lovett; (standing, left to right) Walter Gifford, U.S. Ambassador to Great Britain; General Omar Bradley, Chairman of the Joint Chiefs of Staff; Oliver Franks, British Ambassador to the U.S.; Lord Cherwell, British Paymaster General; Lord Ismay, British Secretary of State for Commonwealth Relations; Mutual Security Administrator W. Averell Harriman.