Tess Morgan was a scientist and the wife of the late Dr. Harrison Wells.
Tess and Harrison married each other many years ago. They owned a lab in Maryland. One day, they got in a car accident caused by Eobard Thawne. After the car crash, Eobard Thawne killed Harrison Wells, and began impersonating him for years.
- Genius-level intellect: According to Eobard, she was a famous scientist like himself, yet Tess was even more intelligent than him, able to finish research and development in a fraction of the time it would take her husband.