Russell Cornell Leffingwell
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Russell Cornell Leffingwell (1878 - 1960) was a U.S. banker who led the Council on Foreign Relations from 1944 until 1953. From 1944 to 1946, he served as president of the Council, and from 1946 to 1953, he served as the organization's first chairman. He was also at various times a trustee of the Carnegie Corporation and chairman of JP Morgan.