Penny Watts-Russell
Noel Michell
Martin Bodman
Roger Langley
James Hodge
Charles Thomas
Trevithick Society
D. W. Davies
W. M. Whetter
Basil Greenhill (Doctor)
Peter Lead
Neil Pedlar
Bryan Earl
Peter Stanier (Geologist)
Roy Shambrook
Lynn Miller
Allen Buckley
Gerry McDonnell
David Dixon
Peter Joseph
Ken Sampson
Clive Carter
W. Penaluna
W. F. Ivey
Lizard Research & Information Centre
Fortescue Hitchins
H. Spencer Toy