Senator Harry S. Truman and others at the speaker's table at the 9th Anniversary Luncheon of the National Planning Association at the Statler Hotel, Washington, D.C. From left to right: nine unidentified men; Charles E. Wilson; Senator Joseph C. O'Mahoney; William Green, President of the American Federation of Labor; Senator Truman; H. Christian Sonne, Chairman of the National Planning Association Executive Committee; Nelson Rockefeller, Coordinator of Inter-American Affairs.