2 ms·
The Manhattan Project started in 1942, was penetrated by Soviet spies no later than 1943 (Klaus Fuchs), and was known to the whole world by 1945. It's not a gre
by philipkglass 7y ago
The Manhattan Project started in 1942, was penetrated by Soviet spies no later than 1943 (Klaus Fuchs), and was known to the whole world by 1945. It's not a great example of extended secret-keeping.