1970-1975
| Name | Country | Year |
|---|---|---|
| C Asxodi | Hungary | 1970 |
| ME Conybeare | UK | |
| H Delga do Martins | Portugal | |
| J Lewis | UK | |
| M Rosenbilds | Australia | |
| PV Seal | deceased | |
| P D Tyler | USA | |
| C B Bird | Greece | 1971 |
| B J Brotherton | UK | |
| T J P Bucher | UK | |
| R N W Chan | UK | |
| W J Coyle | Australia | |
| J G Guy | UK | |
| AMB Johnson | Australia | |
| M Msouty | Syria | |
| D H Murphy | UK | |
| D H Nave | Australia | |
| Dr L Rangaswamy | USA | |
| Z Stavrou | Greece | |
| FB Webb | deceased | |
| J D Wiedel | USA | |
| F D Burke | UK | 1972 |
| R P Drummond | deceased | |
| T J Fernandes | UK | |
| W F Heape | Australia | |
| I J P Henderson | Australia | |
| A M Jamieson | UK | |
| D C Jameson Evans | UK | |
| R J Kyd | deceased | |
| A Moulton | UK | |
| R R Paiva | Venesuela | |
| Miss S M | S. Africa | |
| G C Slee | deceased | |
| SM Schnitzler | S. Africa | |
| P W Verow | UK | |
| M D Walsh | UK | |
| I Watts | N. Zealand | |
| J K Webb | UK | |
| E G Anderson | UK | 1973 |
| CE Ackroyd | UK | |
| A Boda | Hungary | |
| J Bodo | Kenya | |
| PT Cox | UK | |
| RE Jones | USA | |
| TT Loy | Hong Kong | |
| N J Mani | India | |
| A J Munyard | Australia | |
| GJG Scholfield | S. Africa | |
| J E Scott | UK | |
| JF Silva | Sri Lanka | |
| ON Tubbs | UK | |
| R B K Broughton | UK | 1974 |
| Gwyn A Evans | UK | |
| M W Gillespie | USA | |
| J C Holmes | USA | |
| R C Hudson | Australia | |
| J L Plewes | UK | |
| ZJ Poplawski | N. Zealand | |
| W E Ryan | Australia | |
| TJ Stahl | deceased | |
| K L Kirkland | USA | |
| J Sweeney | Australia | |
| W K Walsh | UK | |
| A Watanuki | Japan | |
| P Wilson | Autralia | |
| JEC Bentivoglio | Australia | 1975 |
| D J Bracey | UK | |
| M H Ellsworth | USA | |
| D A Fischer | USA | |
| D W Gregory | UK | |
| D C Ireland | Australia | |
| M B Jones | UK | |
| A H Mohahed PI | Thailand | |
| J F O'Brien | Australia | |
| M H O Dawson | deceased | |
| PHG Perkins | USA | |
| A L Power | deceased | |
| I D Rawlings | UK | |
| W T Rheinhart | USA | |
| Peter Stamper | UK |