’The Angelic Doctor’.
He was imprisoned by his family after he became a mendicant Dominican Friar. But this just strengthened his resolve.
So he studied ferociously while at the same time using a burning log to drive off a female temptress who was distracting him.
He became a mine of theological information and his own ‘Summa Theologica’ was never finished — because it was a divine mystery. Who are you to know who did it?