By Alex Horne
By Denise Kiernan, Joseph D'Agnese
By Rupert Matthews
By John Lloyd, John Mitchinson
By Tracey Turner
By David McCandless
By James Van Hise
By Donegan, Matthew
By Sidney Paget, Dr Gareth Moore, George Wylie Hutchinson
By Tim Dedopulos
By Stewart, Ian
By GRAHAM TARRANT
By Dr Martin Stephen, Michael O'Mara Books
By Pentagram Design Partnership
By Hugh Jassburn
By Ap Holiday
By Jorge Cham, Daniel Whiteson
By Arcturus Publishing
By National Geographic Kids
By Emma Young
By Martin Gardner
By Richard Happer, Happer, Richard
By Robertson, Patricia, Robertson, Bruce
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By The UK Mathematics Trust
By Gary Wigglesworth