This fascinating NSA book details the amazing work at the agency in the first decades of computer development. Conventional wisdom about NSA and computers has it, as a retired NSA senior officer once wrote me, 'In the early days, NSA and its predecessor organizations drove the computer industry. In the 1960s, we kept pace with it. We started losing ground in the '70s, and in the '80s we struggled to keep up with the industry.' True, but underlying this, in each decade the cryptologic organizatio