Discover the fascinating story of Elizebeth Smith Friedman, the groundbreaking cryptanalyst who helped bring down gangsters and break up a Nazi spy ring in South America. Her work helped lay the foundation for modern codebreaking today.
2021
1978
1975
2012
2022
1987
2006
2001
2005
2014
2007
1991
2013
1992
2009
2017