Abstract: Riverbank Laboratories - a think-tank outside of Chicago, Illinois - was one of the only U.S. facilities to seriously study cryptology in the early 1900’s. It was also home to several talented women who would go on to become leaders in cryptology. Elizebeth Smith Friedman and Agnes Meyer Driscoll were two of these women. Elizebeth Smith Friedman (1892 – 1980), an English major and poetry enthusiast, began working at Riverbank in 1916. It was here that her love affair with cryptology began. She was hired to analyze Shakespeare’s plays and sonnets in the hope of finding a hidden cipher that would reveal that Sir Francis Bacon was the true author of Shakespeare’s work. She would go on to work for the U.S. Navy, Treasury Department, ...