By Kumon Publishing
By Pickover, Clifford A.
By Anthony, Martin
By Houston, Kevin
By James J. Tattersall (Providence College, Rhode Island)
By Miles Reid (University of Warwick), Balazs Szendroi (Universiteit Utrecht, The Netherlands)
By Peter J. Eccles (University of Manchester)
By R. P. Burn (University of Exeter)
By David A. Brannan (The Open University, Milton Keynes), Matthew F. Esplen (The Open University, Jeremy J. Gray (The Open University
By Thomas A. Garrity (Williams College, Massachusetts), Lori Pedersen
By Senior, Trevor, Fisher, Tony, Procter-Green, Shaun, Burns, Sandra, Trevor Senior, Tony Fisher, Shaun Procter-Green, Sandra Burns
By Ioan James (University of Oxford)
By K. G. Binmore
By Allan, Ray, Williams, Martin, Perry, Claire, Ray Allan, Martin Williams, Claire Perry
By Clarke, Peter
By Kitchen, Ann, Wake, Geoff
By Bostock, L., Chandler, S., Shepherd, A., Smith, E., L. Bostock, S. Chandler, A. Shepherd, E. Smith
By Banks, Mr Tony, Alcorn, Mr Tony Banks
By Binmore, Ken, Ken Binmore
By Kevin Houston (University of Leeds)
By G.H. Hardy, g-h-hardy
By Davenport, H.
By Holland, D.A., Soper, S. A., D.A. Holland, S. A. Soper