Peter W. Hawkes
Geoffrey A. Meek
V. H. Heywood
Werner Lottermoser
R. Barer
Elizabeth M. Slayter
T. Mulvey
Cecil Edwin Hall
Claude Magnan
Pierre Selme
Centre national de la recherche scientifique (France)
Jeremy Burgess
Ian M. Watt
Peter Buseck
Erskine L. Palmer
Peter J. Goodhew
R. M. Albrecht
R. P. Becker
John C. H. Spence
D. B. Holt