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# Alan Turing: The Enigma

## By Bob Cordon Champ

Read this most interesting 586pp book about the mathematician,
inventor of the concept of the "Turing machine" which led
directly to the electro-mechanical machines which "broke" German
Enigma machine codes in WWII and to the invention of the computer
and, on p395, is the following:

"more often he cycled through the scrubby suburbs to
work, cutting a comic figure in a yellow oilskin and hat when it
rained. Later he added a small motor to his bicycle but
never acquired a car."

This "motor" was abandoned in 1954, just before Turing's
tragic death at forty-one. Has anyone a logbook with
A M Turing in it to fill in the details? Reading
this book is a fascinating task, even for a non-mathematician -
though the writer of this review does have a strong interest in
the applied science of WWII - particularly anyone interested in
what makes a genius tick.

"Alan Turing: The Enigma". Andrew Hodges.
Vintage Press. £8.99. ISBN
0-09-911641-3.

First published - June 1992

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