TheCodeBreakers
British ambassador to the Soviet Union, at a dinner in Stockholm while
Cripps was passing through. This may not have come as news to Cripps,
who may have known of the invasion from other sources, but it certainly
reinforced any knowledge he had. Unfortunately, Stalin did not believe
the British.
The dozens of diplomatic messages that clattered out of the Beurling
mechanism told the Swedish Foreign Office what the Germans were
really doing and thinking. They gave Foreign Minister Christian Giinther
advance warning of diplomatic notes that the German embassy was
ordered to submit to him. The cryptanalysts tell a story that, after
reading a particularly demanding note, they took the unusual step of
notifying Giinther of its contents by telephone, which they rarely used.
(Later they sent it over by the regular messenger, who wore two shoulder
holsters.) Giinther promptly went on a "hunting trip," and the German
diplomat could not serve his demand until after the weekend. By then