By Elinor Jones, Simon Harden, Michael J. Crawley (Imperial College of Science, Technology and Medicine, UK)
By Siobhan Roberts
By Brian Housden
By Michael White
By Geoff Fowler, Sue Muggeridge
By David Rayner, Michael White
By Terry Heard, David Martin, Bernard Murphy
By Duncan, Tom, Kennett, Heather, Tom Duncan, Heather Kennett
By Glyn James
By Brian R. Martin (University College, London), Graham Shaw (University of Manchester)
By Benjamin Woolley
By Burton
By Hunter, John, Scottish Mathematics Group, Monk, David
By John Derbyshire
By Edward Frenkel
By Wendy Fisher, Barbara Ball, Christine Atkinson, Margaret Poston, Jeremy Richardson
By Roger Dixon, James Foley, Robert Haese, Sandra Haese
By William P. Richardson
By Tony Gardiner
By Tipler / Vickers, M J Tipler
By John Gilbert
By A. Orton
By Cathleen Brunt, Will Connolly, Doug French
By Great Britain: Department of Education and Science: Inspectorate of Schools
By Colin Foster
By Nuffield Foundation
By Charles Plumpton, E. Shipton
By School Mathematics Project