By Richard Morgale, Morgale, Richard
By Hunt, Rod
By Brandreth, Gyles
By Serebriakoff, Victor
By Ben Crystal, Adam Russ, Ed McLachlan
By Cassidy, Tom, Byrne, Thomas
By Mike Haskins
By Miranda Bower
By Hill, H.W.
By Newby, Peter
By Victor Serebriakoff (Honorary President of World MENSA)
By Bodycombe, David J.
By Weinert, Franz
By Reynolds, Mark
By Jane Walker
By Unknown
By Puzzle House
By Gale, Harold
By Martin Fido, Karen Fido
By James, Dan, Ordnance Survey
By Bill Murray