Herbert O. Yardley

Herbet O. Yardley was a brilliant and self taught cryptographer who used creativity, superb thinking and mathematical organizational skills and just plain hard work to break foreign codes and ciphers, by hand and mind alone. He eventually ran afoul of the upper class U.S. State Dept. officials who did not like the idea that Yardley would not pay proper obeisance to them and his "Black Chamber" code breaking organization, after several spectacular successes in the World War l thru the …