Honour Members
- Thomas Othon Leonardos (Brazil) †
- Alan Swabey (Canada) †
- Marino Porzio (Chile)
- Alberto De Elzaburu (Spain) †
- Allan Pilson (United States) †
- Jeremiah D. Mcauliffe (United States) †
- Joseph A. Degrandi (United States) †
- Sidney Deschamps (United States) †
- Stephen P. Ladas (United States) †
- Arpad Bogsch (Hungary) †
- Cesar Sepulveda (Mexico) †
- David Rangel Medina (Meéxico) †
- G.H.C. Bodenhausen (Países Bajos) †
- Hugo Berkemeyer (Paraguay) †
- Francisco Espinosa Bellido (Perú)
- Ernesto Rubio (Uruguay)
- José Carlos Tinoco-Soares (Brazil)