C. O. Bannister, F.I.C., Assoc. R.S.N., Professor of Metallurgy, University of Liverpool.
F. F. P. Bisacre, O.B.E., M.A., B.Sc., A.M.Inst.C.E.
R. N. Rudmose Brown, D.Sc.
A. Y. Catto, O.B.E., Lieutenant, R.N.
Grenville A. J. Cole, F.R.S., Professor of Geology, Royal College of Science, Ireland.
W. G. Constable, M.A., Fellow of St. John's College, Cambridge.
Arthur O. Cooke, Author of A Book of Dovecotes.
J. R. Ainsworth Davis, M.A., F.C.P., former Principal of The Royal Agricultural College, Cirencester.
John Dougall, M.A., D.Sc., F.R.S.E., Gold Medallist of the Royal Society of Edinburgh.
Montagu Drummond, M.A., Director of Research, Scottish Station for Research in Plant Breeding.