The man who broke Purple : the life of Colonel William F. Friedman, who deciphered the Japanese code in World War II

"This book is the first full-scale, authorized biography of the attractive but driven leader of the only wartime enterprise as top secret as the manufacture of the first atomic bomb. At the same time, the author provides a sober account of how America's early, scattered intelligence agencies burgeoned steadily without foresight into a modern bureaucracy characterized by pathological secrecy and ethical ambiguity -- and how such expansion took a severe toll on Friedman's mental and physical health."

"The man who broke Purple : the life of Colonel William F. Friedman, who deciphered the Japanese code in World War II"
"The Man who broke Purple. The life of Colonel William F. Friedman, who deciphered the Japanese code in World War II"