Dulles had been part of the American delegation to the Versailles Peace Conference, he was a senior Partner in Sullivan and Cromwell, a law firm, he had written the Japanese Peace Treaty, and had been the Republican spokesman on foreign policy for a decade before becoming Eisenhower's Secretary of State. Eisenhower said Dulles "had been training for this job all of his life" (p. 289). Dulles remained Eisenhower's Secretary of State until his death on March 24, 1959.