TheCodeBreakers
his wife, and went out to get drunk. Actually, considerably more work
had to be done before the Black Chamber could read anything
approaching sentences. Much of this was done by Livesey, who achieved
an important secondary breakthrough when he identified the Japanese
plaintext jooin ("Senate") and jooyakuan ("draft treaty").
Yardley encountered unexpected difficulties in finding a translator for
the exotic language, but finally located a kindly, bewhiskered missionary.
He looked jokingly incongruous in the Black Chamber, but he enabled
Yardley to send the first translations of Japanese telegrams to
Washington in February of 1920. He quit after six months when he
finally realized the espionage nature of the work, but by then Livesey had
accomplished the almost unheard-of feat of learning Japanese in that
time.
Yardley called the first code "Ja," the "J" for Japanese, the "a" a serial
for the first solution