|Where To Get This Card:||Card Pack 2|
|Preceded By:||Card 98: Thomas Edison|
|Followed By:||Card 100: The Sabotaged Lab|
"Clever Katherine was excited to leave home and explore the world. With her beloved brother, Thomas, by her side, she was prepared to do great things. But Thomas didn’t live up to her expectations-–he had his own goals and his own plans for building a life. Hurt by this seeming betrayal, Katherine abandoned her brother in the middle of the night and fled to Egypt–-taking his most prized possession with her."
In the Top Secret section, Katherine made the Cahill family tree.