William Averell Harriman

William Averell Harriman was an influential American diplomat, businessman, and politician, best known for his role as the U.S. Ambassador to the Soviet Union from 1943 to 1946. He played a significant part in shaping U.S.-Soviet relations during World War II, symbolized by his acceptance of a hand-carved Great Seal of the United States from Soviet scouts, which later turned out to be a covert listening device.