By D. C. Green
By Walter Ditch
By Thomas J. Davies
By Graham Giller
By Steve Heath
By N.D. Bonnett
By Ian Robertson Sinclair, Geoffrey E. Lewis
By J S Anderson
By M. Plant
By Noel M. Morris
By Barry G. Woollard
By Leach
By Dave Prochnow
By John B. Pratley
By S.A. Knight
By Keith Brindley
By R.E. Vears
By Dennis Roddy, John G. Coolen
By Rex Miller, Fred W. Culpepper
By John O. Bird
By Trevor Linsley
By The Editors of Rea, Gu
By David Turner, Andy Thomas
By Stuart Ball
By Roger L. Tokheim
By Barbara Smith, Linda Field
By Gordon Mccomb
By Mike Tooley (Formerly Vice Principal, Dean of Faculty and Head of Engineering at Brooklands College, Surrey, UK)