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.
2014
2011
2004
1970
1963
2009
2010
1935
2007
1998
2024
1929
1985
2022
1974
2001