Some years ago my collection of aircraft photographs has been merged with the collection of Dario Cazzetta, a 'spotter'-friend of mine, who died on  December 6th, 1963. At that time we both contacted spotters all around the world. Their names are listed below. If one of these persons recognizes his photographs, please let me know.
 

W.A. Harrison - UK
B.E. North - New Zealand 
C.E. Luppi - Argentina
T. Bernstrup - Sweden
D.E. Johnson - Australia
A. Börlin - Schwitzerland
B.E. Robar - Australia
G.T. Mellinger - USA
R.B. Rose - USA
K. Meehan - New Zealand
W.T. Mokrynski - Canada
B. Fraser - South Africa
M.J. Harrold - USA
L. Morareau - Algerie
G.B. Falvey - USA
R.J. Jones - USA
M. Greenfield  -  USA