By Rob Daniels
By Frank Benfield
By David E Hanson
By The UK Mathematics Trust
By PROMPT Maternity Foundation
By Ian Lucas, Lucas, Ian
By Stephen Doyle
By E. Graham, Graham, E.
By Keith Hopcroft, Vincent Forte
By Ashby Merson-Davies
By Martin Bluemel
By Jayant S. Vaidya, Vivek Patkar
By Greg Pahl
By Roger Detienville
By Sylvia H. Heywang-Koebrunner, Ingrid Schreer, D.David Dershaw
By Helmut Madjar
By Torsten Moeller
By Axler, Sheldon
By Bernstein, Eduard, Ostrowski, Marius S.
By G KAMPF
By John Ingham, Irving J. Dunn, Elmar Heinzle, Jiri E. Prenosil
By E Wilks
By Ger Vertogen, Wim H. de Jeu