WJohn Horton ConwayW3-7 kisrhombilleW4-5 kisrhombilleWAngel problemWArchitectonic and catoptric tessellationWATLAS of Finite GroupsWConway circle theoremWConway criterionWConway groupWConway group Co1WConway group Co3WConway group Co2WConway notation (knot theory)WConway polyhedron notationWConway puzzleWConway's 99-graph problemWConway's Game of LifeWConway's SoldiersWDoomsday ruleWHackenbushWKisrhombilleWLook-and-say sequenceWMonstrous moonshineWOn Numbers and GamesWPhutballWSprouts (game)WSurreal numberWTangle (mathematics)WTopswops