By Professor Ian Stewart
By A.I. Golovashkin, Al Peabody
By Kumar, Manjit
By John Gribbin, Mary Gribbin
By Rindler, Wolfgang
By Bais, Sander
By Ta-Pei Cheng
By Patricia M. Schwarz, John H. Schwarz (California Institute of Technology)
By Tai L. Chow
By Anthony C. Fischer-Cripps (Fischer-Cripps Laboratories Pty Ltd, Sydney, Australia)
By I. S. Grant, W. R. Phillips
By James J. Tattersall (Providence College, Rhode Island)
By Lesmoir-Gordon, Nigel, Rood, Will, Edney, Ralph
By David Jordan, Stephen A. Huggett, Roger Penrose (Mathematical Institute, Oxford)
By Daniel F. Styer (Oberlin College, Ohio)
By TL Chow
By Charles F. Stevens (Salk Institute for Biological Studies)
By Andrew Rex, Stephen T. Thornton
By Peter J. Eccles (University of Manchester)
By John B. Fraleigh
By Jeremy Gray (Senior Lecturer in Mathematics, Senior Lecturer in Mathematics, Open University)
By Edward George Steward (Emeritus Professor, City Univ, London, UK)
By R. P. Burn (University of Exeter)
By Roger G. Newton
By Bachman, David
By Dobbs, Steve, Miller, Jane, Neill, Hugh, Steve Dobbs
By Wiseman, Richard
By Carl Sagan
By George Gamow, Roger Penrose
By Alastair I. M. Rae (University of Birmingham, UK)