# Edward Feser American philosopher (b. 1968). The leading contemporary popular-academic defender of **Aristotelian-Thomist metaphysics** and **[Classical Theism](/codex/classical-theism/)** in the analytic-philosophy world. Associate Professor of Philosophy at **Pasadena City College**. A Catholic convert from atheism (he tells the story on his blog and in *The Last Superstition*). He has written accessible introductions to Aquinas (*Aquinas*, 2009) and to the Five Ways family (*Five Proofs of the Existence of God*, 2017), plus more technical scholastic-metaphysics work (*Scholastic Metaphysics*, 2014; *Aristotle's Revenge*, 2019). His widely-read blog ("Edward Feser") is a major venue for contemporary Thomist engagement with analytic philosophy of religion. Feser is the most-cited contemporary author when the codex uses Aristotelian-Thomist resources. See [Aquinas Five Ways](/codex/aquinas-five-ways/), [Act and Potency](/codex/act-and-potency/), [Final Causality](/codex/final-causality/), [Per Se vs Per Accidens Causation](/codex/per-se-vs-per-accidens-causation/), [Privation](/codex/privation/), [Cosmological Arguments](/codex/cosmological-arguments/), [Classical Theism](/codex/classical-theism/), and [Perfection Argument](/codex/perfection-argument/). ## Place in the contemporary classical-theist recovery Feser stands in the line of mid-20th-century **Neo-Scholastic Thomism** (Étienne Gilson, Jacques Maritain, Reginald Garrigou-Lagrange). But he writes for today's analytic-philosophy audience, not for the seminary or the French Thomist tradition. His distinctive move is to **translate the scholastic toolkit** (act and potency, hylemorphism, the four causes, real distinctions, the *analogia entis*) into the language of contemporary analytic philosophy. This makes Aquinas's actual arguments legible to philosophers trained on Quine, Kripke, and Plantinga. He is sharply polemical against: - **The New Atheism.** *The Last Superstition* (2008) is a book-length reply. Feser argues that the New Atheists (Dawkins, Hitchens, Harris, Dennett) attack a strawman of theism (God as a "big person"). They miss the actual arguments of the classical and Aristotelian tradition. - **Theistic personalism.** Feser thinks William Lane Craig-style "God is a maximally great person" theism is a regression from the classical tradition. The dispute is in-house among theists. Feser's critique aligns with [David Bentley Hart](/codex/david-bentley-hart/)'s, though their styles differ. Hart is literary and rhetorical; Feser is argumentative and scholastic. - **"Intelligent Design" as a movement** (he distinguishes this from *intelligent designer* as a metaphysical conclusion). Feser argues that ID's mechanistic framing concedes too much to the Newton / Paley legacy. It misses the deeper Aristotelian point that *final causation* (teleology) is built into nature as such, not just into rare gaps. The disagreement is friendly but real (see Feser's exchanges with Stephen Meyer and the Discovery Institute). ## Five Proofs framework (Feser's signature contribution) *Five Proofs of the Existence of God* (Ignatius, 2017) presents five distinct proofs in formal structure, with extended cross-examination of objections: 1. **The Aristotelian Proof.** From change (*motus*) to a Purely Actual Actualizer. Close to Aquinas's First Way ([First Way - Motion](/codex/first-way-motion/)), but stated more rigorously to handle modern objections. 2. **The Neo-Platonic Proof.** From composite beings to an absolutely Simple being. Argues from the act / essence composition of finite beings to a non-composite ground. 3. **The Augustinian Proof.** From the existence of abstract objects and universals to a divine mind in which they are held. 4. **The Thomistic Proof.** From the real distinction between essence and existence in creatures to *ipsum esse subsistens* ([Ipsum Esse Subsistens](/codex/ipsum-esse-subsistens/)), the only being where essence and existence are the same. 5. **The Rationalist Proof.** From the Principle of Sufficient Reason and contingency to a necessary being (a Leibnizian version; see [Contingency Argument](/codex/contingency-argument/)). Each proof, Feser argues, ends in a being that *just is* the classical-theist God. This being has simplicity, aseity, immutability, impassibility, eternity, omnipotence, omniscience, and perfect goodness. So the proofs *jointly* establish not just "a god" but the God of [Classical Theism](/codex/classical-theism/). The proofs interlock. A weakness in one is covered by another. ## Key positions in the codex's territory - **[Classical Theism](/codex/classical-theism/) vs theistic personalism.** Feser is a strict classical theist. The *Five Proofs* and *Aquinas* books are the most accessible contemporary statement of the position. - **[Divine Simplicity](/codex/divine-simplicity/).** Feser strongly defends strong simplicity. *Scholastic Metaphysics* and his blog answer objections from contemporary analytic philosophers (Plantinga's *Does God Have a Nature?*, Hasker, Mullins). - **[Cosmological Arguments](/codex/cosmological-arguments/).** Most of Feser's apologetic output works in this area. He uses the distinction between *per se* and *per accidens* causal series (see [Per Se vs Per Accidens Causation](/codex/per-se-vs-per-accidens-causation/)) to handle the "infinite regress" objection that New Atheists routinely deploy against Kalam-style arguments. - **[Final Causality](/codex/final-causality/) and Aristotelian teleology.** *The Last Superstition* and *Aristotle's Revenge* argue that teleology cannot be reduced to mechanistic or efficient causation. He applies the point to philosophy of mind, philosophy of science, and ethics. - **Capital punishment.** Feser co-authored *By Man Shall His Blood Be Shed* (Ignatius, 2017, with Joseph Bessette), defending the traditional Catholic retributive case for capital punishment. The book pushes back on the recent shift in Catholic magisterial teaching. This is not a codex focus, but it is a known Feser position. - **Mind and body.** *Philosophy of Mind: A Beginner's Guide* (Oneworld, 2005) defends hylomorphic dualism, the Aristotelian-Thomist alternative to both Cartesian dualism and physicalism. Relates to [Argument from Consciousness](/codex/argument-from-consciousness/). ## Selected works - *Philosophy of Mind: A Beginner's Guide* (Oneworld, 2005) - *Locke* (Oneworld, 2007) - *The Last Superstition: A Refutation of the New Atheism* (St. Augustine's Press, 2008) - *Aquinas* (Oneworld, 2009), the standard contemporary intro to Aquinas - *Scholastic Metaphysics: A Contemporary Introduction* (Editiones Scholasticae, 2014) - *Neo-Scholastic Essays* (St. Augustine's Press, 2015) - *By Man Shall His Blood Be Shed: A Catholic Defense of Capital Punishment* (Ignatius, 2017, with Joseph Bessette) - *Five Proofs of the Existence of God* (Ignatius, 2017) - *Aristotle's Revenge: The Metaphysical Foundations of Physical and Biological Science* (Editiones Scholasticae, 2019) - *All One in Christ: A Catholic Critique of Racism and Critical Race Theory* (Ignatius, 2022) ## See also - [Classical Theism](/codex/classical-theism/), Feser's primary theological commitment - [Classical Theism vs Theistic Personalism](/codex/classical-theism-vs-theistic-personalism/), the in-house dispute Feser engages - [Divine Simplicity](/codex/divine-simplicity/), Feser's defended position - [Aseity](/codex/aseity/) / [Ipsum Esse Subsistens](/codex/ipsum-esse-subsistens/), load-bearing in *Five Proofs* - [Aquinas Five Ways](/codex/aquinas-five-ways/), Feser's signature popular subject - [Act and Potency](/codex/act-and-potency/) / [Final Causality](/codex/final-causality/) / [Per Se vs Per Accidens Causation](/codex/per-se-vs-per-accidens-causation/) / [Privation](/codex/privation/), Aristotelian-Thomist apparatus Feser deploys - [Cosmological Arguments](/codex/cosmological-arguments/), primary apologetic territory - [Perfection Argument](/codex/perfection-argument/), Feser's *Five Proofs* (Augustinian) parallels - [Contingency Argument](/codex/contingency-argument/), the Rationalist Proof in *Five Proofs* - [Thomas Aquinas](/codex/thomas-aquinas/), the master Feser explicates - [David Bentley Hart](/codex/david-bentley-hart/), fellow classical-theist defender (different style) - [Alvin Plantinga](/codex/alvin-plantinga/), frequent in-house interlocutor on theistic personalism and divine simplicity - [William Lane Craig](/codex/william-lane-craig/), frequent in-house interlocutor on cosmological arguments and divine attributes - [Stephen Meyer](/codex/stephen-meyer/), friendly disagreement on Intelligent Design as movement vs Aristotelian teleology