By Chaitin, Gregory J.
By Sfard, Anna
By Benacerraf, Paul
By Lave
By Lakatos/Worrall/Zahar
By William Bolton (Formerly Lecturer, Buckingham Chilterns University College, High Wycombe, UK)
By New Scientist
By Peter J. Eccles (University of Manchester)
By Geoffrey Howson, Christine Keitel, Jeremy Kilpatrick
By John Stillwell
By Hilary Putnam
By Charles Seife
By W. Frank Moore, Mark Rogers, Sean Sather-Wagstaff
By Ralf Schindler
By Dirk van Dalen
By D.L. Johnson
By David A. Craven
By Ian M. Chiswell
By Karin Erdmann, Thorsten Holm
By Abraham Pais
By George Polya
By Livio, Mario
By Mark Kac
By Pearce, Chris
By George Musser
By Unknown, Various
By Marcus Du Sautoy
By Gould