By White, Michael, Gribbin, John
By Colin Chapman, Gillian Whitehouse
By Proudlove, R.K.
By Laurence Bergreen
By John Gribbin
By Keith Steinkraus (Cornell University, Ithaca, New York, USA)
By Krauss, Lawrence
By Jim Al-Khalili
By Robert Jackson
By Graham C. Hill
By Hodge, S.E., Seed, Margaret L., Scottish Mathematics Group, Brown, Margaret
By Bill Gates, etc.
By David Poole (Trent University)
By Jackie Sheppard
By Roger Muncaster, Muncaster, Roger
By Vickery, Anitra, Spooner, Mike
By Richard P Feynman
By Tony Stankus
By John Sharp
By Jim Breithaupt
By Thomas Baguley (Nottingham Trent University, Nottingham)
By J. Walmsley
By B. Bull
By C. Carter
By Gayle Worland
By Vernon, Magdelen
By George J. Klir