By Arcturus Publishing
By BBC
By The Turing Trust, Eric Saunders
By Moore, Dr Gareth, Turing, Sir John Dermot, Turing, Sir John Dermot
By Moran, Paul, Forizs, Gergely, Batten, John, Linley, Adam, Santillan, Jorge
By Anonymous
By Thomas Fink, Yong Mao
By David J. Bodycombe
By Al Seckel
By Puzzle House
By Miles Kelly Publishing
By Janet Dyson
By Gifford, Clive
By Steve Parker, Parker, Steve, MacCuish, Isla
By Rigby, Christopher
By Kelly, Elizabeth
By Parselle, Matthew
By Francesca Simon
By Sinden, Pete
By Roby, Wendy
By Moran, Paul
By Daniel Smith, Smith, Daniel