David Cabot
Paul Sterry, Barry Hughes
Frank A. Lowe
Stanley Cramp, W. R. P. Bourne, David Saunders
Edward A. Armstrong
, Michael Chinery
Jacques d' Aguilar, Jean-Louis Dommanget, Rene Prechac
Eric Simms
Bruce Campbell
C. J. O. Harrison
David Attenborough
Herbert Hayens
Guy Mountfort
Brian Vesey-Fitzgerald
Stephen Potter, Laurens Sargent
Niko Tinbergen
Desmond Nethersole-Thompson
Preben Bang
E. N. Atnold, J. A. Arnold
C. V. Wedgwood
Bryan Little
Herbert L. Edlin
V. S. Summerhayes
W. B. Turrill
L. Dudley Stamp (Sir)
E. John Russell (Sir)
Jack Simmons
John Collings Squire (Sir)
Geoffrey Grigson
Edward T. MacDermot
E. B. Ford
Leslie Brown
R. J. Berry
Christopher Perrins
W. G. Hale
Wilfrid Blunt
John Buxton
Stuart Smith
James Fisher, R. M. Lockley
John R. Harris
Gordon Manley
T. T. Macan
Deryk Frazer
L. Harrison Matthews
Eric Hosking
Richard Fitter
John H. Barrett, Charlotte Mary Yonge