Friedman had a rare talent for spotting patterns and solving puzzles, and these skills led her to become one of the top cryptanalysts in America during both World War I and World War II. In 1916 she had been hired by an eccentric millionaire to prove that Shakespeare's plays had secret messages in them, and learned much about code breaking. Greenfield shows that Friedman and her husband, William, played a major role decoding messages during WWI and...

"By the time the United States joined the Second World War in 1941, the fight against Nazi and Axis powers had already been under way for two years. In order to win the war and protect its soldiers, the US Marines recruited twenty-nine Navajo men to create a secret code that could be used to send military messages quickly and safely across battlefields. Author James Buckley Jr. explains how these brave and intelligent men developed their amazing code,...

"As a boy, Chester Nez was taught his native language and culture were useless, but he was later called on to use his Navajo language to help create an unbreakable military code during WWII"--