Alan Turing edited by Christof Teuscher, Springer Verlag, £46/$69.95, ISBN 3540200207 Reviewed by Mike Holderness
ON 7 June 1954 Alan Mathison Turing took a bite from an apple laced with potassium cyanide. You should mark the 50th anniversary of his death, and a fitting way would be to finish this Festschrift that came out of a 2002 celebration of the 90th anniversary of his birth. You may have to start soon, however, because, like Turing, the book is difficult.
In 1936 Turing published arguably the deepest result in mathematics or logic to date. Loosely, it is that there is no…
