TheCodeBreakers
And now he was
about to found a cryptanalytic bureau that was to become almost
legendary and to exert a direct and noticeable effect upon the course of
history.
He began by boning up on ciphers in the stacks of the British
Museum library and on the construction of codes at Lloyd's of London
and at the General Post Office, where commercial codebooks were on file.
He called in four teachers at the naval colleges at Dartmouth and
Osborne, A. G. Denniston, W. H. Anstie, E. J. C. Green, and G. L. N.
Hope, all friends of his with a good knowledge of German, and, sitting
together around the table in his office, they inspected the
incomprehensible lines of letters and numbers with only the feeblest
general idea on how to begin.
None of the small band of pioneers had had any real previous
knowledge of cryptanalysis, and they made only antlike progress in those
first weeks. But Ewing was exhilarated by the job, and it was not until
annaabi.ee 
