By David V. Skinner, Andrew Swain, Colin Robertson, J. W. Rodney Peyton
By School Mathematics Project
By Publicity Material
By Darren Macey, Will Hornby
By Chris Hawksley
By Greg N. Frederickson (Purdue University, Indiana)
By Brian Bolt
By Dennis Turner, P. P. G. Bateson (Professor Sir)
By Julia Newsome, Philip Prowse
By Roy Bennett
By Thierry Dauxois (Directeur de Recherche, CNRS, Ecole Normale Superieure, Lyon), Michel Peyrard (Ecole Normale Superieure
By Paul Sturman
By Ioan James (University of Oxford)
By John Howard
By Eryk Infeld (Soltan Institute for Nuclear Studies, Warsaw), George Rowlands (University of Warwick)
By G. H. Hardy (Trinity College, Cambridge)
By Various Authors
By Joint Association Of Classical Teachers
By Patrick Moore
By Walter J. Moore
By Fritz Rohrlich (Syracuse University, New York)
By S. G. Hoggar (University of Glasgow)
By Jack Goody
By Tony Hey (University of Southampton), Patrick Walters (University of Wales, Swansea)