Roger Day wrote:
> The British could not have done it without some Polish mathematicians
> who did a lot of the original donkey-work. Mechanising the process was
> the British achievement of that era.
>
> IIRC, the Germans cracked the British naval codes, but to less effect.
>
> BTB, the Germans made the first programmable computer, Z3 back in
> 1941. Again, they did not realise it's full potential.
>
> Enigma ... aren't we it's child?
>
> Roger
>
As always in these discussions, I want to direct everyone who hasn't
already read it to Andrew Hodges' superb biography of Alan Turing, which
covers both the technical detail and the social impact of what happened
at Bletchley Park.
Dominic
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