TheCodeBreakers
" When Manly read this to
a military commission of colonels and generals who were trying Witzke
on spy charges in a hushed courtroom at Fort Sam Houston,
*In addition to this and the Zimmermann telegram, two messages to
the diplomat from his home office, encoded in the English-French half of
Clifton's Nouveau Dictionnaire Frangals, which had replaced the betrayed
Cipher 13040, were solved by MI-8. They disclosed Germany trying to
bribe Mexico to remain neutral.
San Antonio, the effect was condemnatory. The handsome young spy
was sentenced to death. Wilson later commuted it to life imprisonment,
however, and Witzke was released in 1923.
In August of 1918, Yardley sailed for Europe to learn as much as he
could from America's allies. He obtained entrance to Great Britain's M.I.
l(b) after demonstrating his abilities and there studied British methods
for the solution of different codes and ciphers. The doors of Room 40
remained resolutely locked against him as against everyone else, though