Boris I. Nicolaevsky
Herb Gardner
Manoel de Sousa da Camara
United Nations. Dept. of Social Affairs.
Denis Gwynn
Robert Sewell
Maurice L. Schwartz
Jean Luc Daval
William Haw
Carl E. Ferguson
Guatemala. Secretaría de Educación Pública.
American Academy of Political and Social Science.
Miguel Urrutia
Union Pacific Railroad Company.