He studied No-Maj families which descended from Scourers who escaped justice following the establishment of the Magical Congress of the United States of America, and identified in each family a deep belief in the existence of magic and an intense hatred of it, convictions passed down from their vengeful ancestors. He authored the book Scourers and the Creation of MACUSA sometime prior to 1926.
Magical abilities and skills
- History of Magic: As a magical knowledge, Theophilius had extensive knowledge in American wizarding history, particularly Scourers.
- Author: Theophilius was an accomplished author and wrote Scourers and the Creation of MACUSA.
- Pottermore (Mentioned only)