Get extended access to 1600+ episodes, binge watch your favorite shows, and stream anytime - online or in the PBS app.
Already a Vermont Public member?
You may have an unactivated Vermont Public Passport member benefit. Check to see.
Clip: Season 33 Episode 1 | 1m 14s
William F. Friedman married Elizebeth Friedman in 1917 and the two began a life of codebreaking for the U.S. Government. During WWI, they invented new methods of codebreaking and laid the foundation for modern cryptology.
Aired: 12/15/20
Support provided by:
American Experience.
Explore Free Resources
Short
On May 28, 1900, San Francisco policemen formed a perimeter around Chinatown as officials diagnosed bubonic plague in the neighborhood and wanted to quarantine the nearly 20,000 residents. As tensions flared, an influential group of merchants known as the Chinese Six Companies sprang into action.
Watch
