TheCodeBreakers
stages to two crowns), as a result of which most of them engaged in a
kind of part-time cryptanalysis—working for the government in the
morning and at regular jobs to get money to live on in the afternoon.
They were installed first in the Gray House, Sweden's Defense Ministry
building, and afterwards in an old house at Carlaplan 4, since
demolished and replaced
by Sveriges Radio; they finally settled down in an old, drafty,
noncentrally-heated apartment house at Styrmans-gatan 2. (A branch
was also established in a modern apartment house in Strandvagen in
1943.)
In 1940 the cryptanalysts were divided by language, though some of
the mathematicians shifted from group to group. The four units were: No.
1, for Romance languages, primarily French and Italian, headed by
Gylden, who had spent ten years in France and was fluent in that
language; No. 2, for German, in which one of the brightest workers was
Carl-Otto Segerdahl, a young mathematician; No
annaabi.ee 
