Historical clue formulations

• Philosopher known as the "Father of Thomism" — 2022-12-16
• "Summa Theologica" philosopher — 2019-11-23
• "Summa Contra Gentiles" theologian — 2009-03-13
• The Angelic Doctor — 2005-09-30
• Sainted 13th-century philosopher — 2003-04-06
• The Angelic Doctor — 1995-08-19