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September 11, 2026Short & citedBlog
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Everyday Life • Philosopher

Thomas Aquinas

Thomas Aquinas was a 13th-century Italian Dominican friar, philosopher, and theologian, and a leading figure in medieval Scholasticism.

Updated September 11, 20261 min readCited sources

Thomas Aquinas was a 13th-century Italian Dominican friar, philosopher, and theologian. He is best known for synthesizing Aristotelian philosophy with Christian theology in works like the *Summa theologiae*.

What he is known for

Aquinas integrated Aristotle’s philosophy with Christian doctrine, covering metaphysics, ethics, philosophy of mind, and natural theology. His 'five ways' argument for God’s existence remains famous.

Major works

His best-known writings are the *Summa theologiae* and *Summa contra gentiles*. He also wrote commentaries on Aristotle, including *De anima* and the *Nicomachean Ethics*.

Legacy

Aquinas was canonized in 1323 and later declared a Doctor of the Church. He is a foundational figure in Thomism and Catholic education, and is studied in Canadian universities and seminaries.

In short

  • Foremost medieval Scholastic thinker
  • Synthesized faith and reason
  • Canonized and named Doctor of the Church
Canadian angle

Thomas Aquinas is studied in Canadian philosophy, theology, and Catholic education, especially in universities and seminaries that teach medieval philosophy and natural law.

Quick questions

Who was Thomas Aquinas?
Thomas Aquinas was a 13th-century Italian Dominican philosopher and theologian, best known for shaping Scholasticism and Catholic theology.
What are Thomas Aquinas’s most important works?
His best-known works are the *Summa theologiae* and the *Summa contra gentiles*.
Was Thomas Aquinas a saint?
Yes. He was canonized in 1323 and is recognized in the Catholic Church as a saint.

Sources

  1. Encyclopaedia Britannicahttps://www.britannica.com/biography/Saint-Thomas-Aquinas
    Supports: Birth/death dates, birthplace, death place, major works, Scholasticism, canonization, intellectual contribution.
  2. Stanford Encyclopedia of Philosophyhttps://plato.stanford.edu/entries/aquinas/
    Supports: Biography, historical context, influence, relation to Aristotle, philosophy and theology.
  3. Internet Encyclopedia of Philosophyhttps://iep.utm.edu/thomas-aquinas/
    Supports: Scope of Aquinas’s philosophical work and the 'five ways'.
  4. Franciscan Mediahttps://www.franciscanmedia.org/saint-of-the-day/saint-thomas-aquinas/
    Supports: Titles of Doctor of the Church and Angelic Doctor.
  5. Encyclopedia.comhttps://www.encyclopedia.com/social-sciences/encyclopedias-almanacs-transcripts-and-maps/aquinas-thomas-c-1225-1274
    Supports: Biographical overview, teacher Albert the Great, canonization, Doctor of the Church.
  6. Thomas Aquinas Collegehttps://www.thomasaquinas.edu/about/our-patron
    Supports: Education in Paris and Cologne, teaching, canonization, Doctor of the Universal Church, patronage of Catholic education.