By School Mathematics Project
By Wells, Celia, Quick, Oliver
By Moffat, Graham, Bean, Gerry, Probert, Rebecca
By Gould, Mike, Higgins, Eoin
By Laycock, Keely
By Hobsbawm, E. J.
By Towsey, David
By Martin, Jean, Milner, Bryan
By Martin, Jean, Ellis, Sam, Cooke, Andy
By Ur, Penny
By Nettle, Mark, Hopkins, Diana
By Dyck, Ian
By Fuller, John
By University of Cambridge Local Examinations Syndicate
By Ashiagbor, Diamond
By Pappé, Ilan
By Dunn, John
By Skinner, Quentin
By Carne, Paul, Hashemi, Louise, Thomas, Barbara
By Antognazza, Maria Rosa
By Pople, Anthony
By Mawer, Deborah
By Jarman, Douglas
By Hawthorn, Geoffrey
By Haakonssen, Knud