By School Mathematics Project
By Ennos, Roland
By Warren Gilchrist
By H. Nicholson, et al
By CGP Books
By Jiri Louda, Michael Maclagan
By David Griffiths, etc., W. Douglas Stirling (Massey University, USA), K. Lawrence Weldon (Simon Fraser University
By Jay L. Devore
By L.J. Frobisher
By Peter Clarke
By Laurie Sealy, SANDRA MOORE
By Simon Singh
By Michael Frame, Amelia Urry
By Mircea Pitici
By Philip Ball (, Freelance writer and consultant editor for ^INature^R)
By Richard Evan Schwartz
By Wyn Brice, Linda Mason, Tony Timbrell
By J. M. Bond
By Chris John Tyreman
By Foster, Althea, Rose, Gerry
By Lind Mason, Tony Timbrell, Wyn Bryce
By Letts GCSE
By Ernest Nagel, James R. Newman
By Keith Pledger, Hamilton, Alwyn
By Sue Chandler (, UK), Janet Crawshaw (, Joan Chambers (
By Brani Vidakovic (Georgia Institute of Technology)
By Charles Dixon
By Collins GCSE
By Damien Lamberton (Universite de Marne-la-Vallee, France), Bernard Lapeyre (Ecole Nationale des Ponts et Chaussees, Marne-la-Vallee