BLETCHLEY PARK, England — British codebreakers cracked Nazi Germany’s encrypted secrets but did such a good job of keeping silent that their work was nearly lost to history.
Now a letter from Gen. Dwight D. Eisenhower is helping to underscore the importance of Bletchley Park, the once-classified home of the World War II codebreakers. The letter, unveiled for the general public Tuesday at the historic site, offers a heartfelt tribute to the men and women who labored in blacked-out rooms for years to crack the Enigma code and beat the ...