WRobert Abbott (game designer)
WRobert Ammann
WW. W. Rouse Ball
WAlexander Bogomolny
WLaurie Brokenshire
WLewis Carroll
WBram Cohen
WJohn Horton Conway
WHarold Scott MacDonald Coxeter
WJean-Paul Delahaye
WErik Demaine
WHenry Dudeney
WDavid Eppstein
WMartin Gardner
WSolomon W. Golomb
WChaim Goodman-Strauss
WBill Gosper
WRichard K. Guy
WVi Hart
WPiet Hein (scientist)
WDouglas Hofstadter
WD. R. Kaprekar
WMaurice Kraitchik
WSam Loyd
WÉdouard Lucas
WJoseph Madachy
WJúlio César de Mello e Souza
WKathleen Ollerenshaw
WMatt Parker
WEd Pegg Jr.
WRoger Penrose
WYakov Perelman
WMiodrag Petković
WBurkard Polster
WJim Propp
WErnő Rubik
WLee Sallows
WDavid Singmaster
WJerry Slocum
WRaymond Smullyan
WIan Stewart (mathematician)
WLaura Taalman
WNob Yoshigahara