By Anne Rooney
By Jarvis, Alan, Beavon, Rod
By Coulson, C.A., Jeffrey, Alan
By Sobel, Dava
By Innes, Brian
By Henry Marsh, Marsh, Henry
By Unknown
By Corkin, Dr Suzanne
By Clarke, Rachel
By Fullick, Ann
By Esther Selsdon
By W. J. A. Mann & David Tall
By Penny Johnson, Damian Riddle, Mr Ian Roberts, Peter Ellis, Johnson, Penny, Riddle, Damian, Roberts, Ian, Ellis, Peter
By Stewart, T., Terry pratchett
By Engler, Nick (edit).
By Jeffrey, Alan
By Wright, Thomas
By Clark, Micheal
By Tart, Charles T.
By Dick Bateman, P. Lidstone
By School Mathematics Project
By G. PATRICK VENN
By Goodchild, Peter
By Wishart, Adam
By Gribbin, John
By Michael Freeman, Micharel Freeman