Elizabeth Smith Friedman's accomplishments were as many as they were vital to national security—so crucial that it took until the 2000s to declassify what she was doing in WWI and WWII. Hillsdale College student and substitute panelist on Constituting America’s podcast "Constitutional Chats" Lindsey Larkin tells the unknown story of this remarkable decoder. We'd like to thank Constituting America for turning us onto this tale.