By School Mathematics Project
By van Andel, Tjeerd H.
By Straker, Anita
By George Gamow, Roger Penrose
By Barlow, Adrian
By Hollis, Martin
By Green, Veronica
By Batchelor, R. E.; Offord, Malcolm H.
By Hashemi, Louise, Murphy, Raymond
By Heritage, J.
By Guiguin, Marc
By Ur, Penny
By Gourvish, T. R.; Wilson, R. G.
By Hausman, Daniel M.
By Richard Marsden
By Anglesey Language Studies Centre
By Jones, Leo, Alexander, Richard
By Marsden, Richard
By Jones, Mary, Jones, Geoff, Mary Jones, Geoff Jones
By Eagle, Ruth
By Gairns, Ruth, Redman, Stuart
By Mary Beard
By Pasachoff, Jay M., Covington, Michael A.
By Laver, John
By Bunce, Vincent
By Beaumont, Andy, Herrington, Jane, Wheatley, Rob