1960
Dr. Kurt von Schuschnigg, former Chancellor of Austria
Topic: Divided Europe
Dr. Hans J. Morgenthau, special consultant to the U.S. Senate Committee on Foreign Relations, Professor of Political Science, University of Chicago
Topic: U.S. Global Strategy
1961
Rodrigo Parajón, former Cuban Consul
1962
H.E. Samuel Edward Peal, Ambassador Extraordinary, Conakry, Guinea
1963
A. M. Shantusian, Press Counselor, Iranian Embassy in Washington
Emory C. Swank, President and Chief Executive Officer, Cleveland Council on World Affairs
1964
Charles W. Gusewelle, Kansas City Star, who wrote feature articles on Africa