About the Program
Kristie Macrakis talks about the history of invisible ink going back to ancient Greece. Prof. Macrakis looks at the use of invisible ink during the Revolutionary War (by both sides), by the Nazis. the Stasi, the CIA, al-Qaeda, and others. She also talks about the people who came up with new and inventive ways to hide important messages over the years. This event was hosted by the International Club of Atlanta.