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CAMBRIDGE, MA - JUNE 21: The nation's leaders in defense mobilization and diplomacy march past Harvard University's University Hall at head of academic profession to Commencement in Cambridge, Mass., on June 21, 1951. At left, foreground, is Walter S. Gifford, Ambassador to England, escorted by Dean Donald K Davis of the Business School; next in line, berobed Warren K. Austin, cheif U.N. delegate, accompanied by Dean Erwin Griswold of the Law School, followed by Charles E Wilson, with George P Baker. (Photo by Gil Friedberg/The Boston Globe via Getty Images)