Drawing on Acheson family diaries and letters as well as recent revelations from Russian and Chinese archives, historian James Chace traces Acheson's remarkable life, from his days as a schoolboy at Groton and his carefree life at Yale to his work for President Franklin Roosevelt on international financial policy and his unique partnership with President Truman.

Acheson was a housemate of Cole Porter's at Harvard Law School, a protégé of Supreme Court justice Felix Frankfurter's, a friend of poet Archibald MacLeish's, a key adviser to General George Marshall, and a confidant of Winston Churchill's. Serving as Truman's secretary of state from 1949 to 1953, he was indeed "present at the creation," as he entitled his memoirs. More than any other of Truman's powerful and glamorous advisers, Acheson conceived the shape of the postwar world and mastered the policies that ensured its birth and endurance. He was the driving force behind the Truman Doctrine to contain the Soviet Union's expansionist ambitions; the Marshall Plan to rebuild the shattered economies of Europe; and NATO, the military alliance that would bind Western Europe and the United States and keep the Soviet Union firmly behind the Iron Curtain until it collapsed.

Chace corrects many misconceptions about Acheson's role in the Cold War. Acheson was not one of the original Cold Warriors. In 1945, willing to acknowledge Soviet concerns about its security, Acheson worked closely with Secretary of War Henry Stimson on a plan to share America's scientific information about atomic energy with Moscow in order to avert an arms race...