AQUINAS

Set to 3 different clues across 4 published puzzles, most often “The Angelic Doctor” — The New York Times, Friday, 30 September 2005.

7 letters

Every clue on record, most used first

The Angelic Doctor2 times
The New York Times — Friday, 30 September 2005
"Summa Contra Gentiles" theologianonce
The New York Times — Friday, 13 March 2009
Sainted 13th-century philosopheronce
The New York Times — Sunday, 6 April 2003