Person

Daniel Dennett

American philosopher (1942-2024); one of the canonical Four Horsemen of New Atheism; the analytically most serious of the four. Dennett held the Austin B. Fletcher Professorship of Philosophy and was Co-Director of the Center for Cognitive Studies at Tufts University from 1971 until his death. His core philosophical work was the naturalist explanation of consciousness, intentionality, and free will via functionalism and the "intentional stance"; his anti-religion work (Breaking the Spell, 2006) extended the same naturalist program to religion itself. Among the Four Horsemen, Dennett is the figure most consistently respected by Christian philosophical interlocutors (notably Alvin Plantinga, with whom he co-authored a 2011 exchange volume).

Biographical sketch

Born March 28, 1942, Boston, Massachusetts. Father (Daniel C. Dennett Sr.) was an OSS / CIA officer who died in a 1947 plane crash in Ethiopia.
Harvard (BA Philosophy, 1963), under W.V.O. Quine.
Oxford (DPhil Philosophy, 1965), under Gilbert Ryle.
Tufts University (1971-2024), Austin B. Fletcher Professor; Co-Director, Center for Cognitive Studies.
Died April 19, 2024, Portland, Maine, age 82, from interstitial lung disease.

Major works

Philosophy of mind / consciousness

Content and Consciousness (Routledge, 1969), his first book, foundational for the multiple-drafts model.
Brainstorms (MIT Press, 1978), collected essays establishing the intentional-stance framework.
The Intentional Stance (MIT Press, 1987), formal statement of the intentional-stance theory: ascribing beliefs, desires, and rationality to a system is a predictive strategy, not a metaphysical claim about inner states.
Consciousness Explained (Little, Brown, 1991), Dennett's most ambitious book on consciousness. Defends the multiple drafts model against the "Cartesian theater" picture; argues consciousness is a user illusion produced by parallel cognitive processes.
Darwin's Dangerous Idea (Simon & Schuster, 1995), defends evolutionary algorithms as the unifying framework across biology, mind, and culture.

Free will / agency

Elbow Room (MIT Press, 1984), defense of compatibilist free will (compatible with determinism).
Freedom Evolves (Viking, 2003), extended treatment.

Religion

Breaking the Spell: Religion as a Natural Phenomenon (Viking, 2006), Dennett's canonical New-Atheism work. Argues religion should be a subject of scientific study as a natural phenomenon; develops an evolutionary / memetic account of religious belief; advocates for "spell-breaking", the cultural taboo against scientific scrutiny of religion should be lifted.

Other major

Intuition Pumps and Other Tools for Thinking (W.W. Norton, 2013)
From Bacteria to Bach and Back (W.W. Norton, 2017), synthetic statement of the Dennettian worldview
I've Been Thinking (W.W. Norton, 2023, autobiography)

Core philosophical commitments

1. Functionalism in philosophy of mind

Mental states are functional roles, not specific neurochemical substrates. Consciousness, beliefs, desires, intentions are real but they are patterns, not ghostly substances. Anything that occupies the right functional role is a mental state. The position rejects substance-dualism (Descartes) and irreducibility-of-the-mental (Chalmers, Searle) alike.

2. The intentional stance

Three explanatory stances:

Physical stance, predict via physical laws (works for projectiles, atoms)
Design stance, predict via designed function (works for thermostats, computers)
Intentional stance, predict via ascription of beliefs, desires, rationality (works for humans, chess computers, sufficiently complex agents)

The intentional stance is a predictive strategy, not a metaphysical commitment. Whether something "really has" mental states is the wrong question; the right question is whether the intentional stance reliably predicts its behavior.

3. Consciousness as user illusion

Dennett's most counterintuitive claim (Consciousness Explained, 1991; sustained through From Bacteria to Bach, 2017): consciousness is not a unified inner stage on which experience plays out (the Cartesian theater) but a parallel multiple-drafts process that appears unified from the inside but is not. The "self" is a useful narrative construction, not an underlying entity.

Christian critique (Searle, Chalmers, Goff, Plantinga): the hard problem of consciousness (Chalmers, 1996), why is there subjective experience at all?, is precisely the question Dennett's framework refuses to answer. Calling consciousness an "illusion" presupposes the very subjective standpoint the illusion is supposed to explain.

4. Compatibilist free will

Free will is compatible with determinism. Free will doesn't require uncaused causation; it requires the kind of self-control and rational responsiveness that human agents exhibit. The libertarian-free-will demand (for indeterminist agent-causation) is incoherent and unnecessary.

5. Religion as evolutionary byproduct

Breaking the Spell (2006) advances a memetic / evolutionary-byproduct account of religion: religion is a natural product of cognitive faculties (hyperactive agency detection, theory of mind, attachment systems) that evolved for other reasons. Religion is therefore not foundational but derivative; it can be studied as a natural phenomenon and (Dennett urges) should be, the social taboo against critical scientific scrutiny of religion is the "spell" to be broken.

Christian critique (Plantinga; Justin Barrett; the cognitive-science-of-religion literature): the evolutionary-byproduct account is empirically interesting but normatively neutral. Showing that religion has a natural cognitive basis says nothing about whether religious claims are true. The argument is a genetic fallacy if deployed against religion's truth-claims. Justin Barrett's Born Believers (2012) and the broader CSR literature show that proto-religious cognition is the developmental default, which is what Christian anthropology (the sensus divinitatis) predicts, not what naturalism predicts. The data Dennett deploys can be read as confirming Christian anthropology.

The Dennett-Plantinga exchange

In 2009, Dennett and Alvin Plantinga held a public debate at the American Philosophical Association annual meeting; subsequently published as Science and Religion: Are They Compatible? (Oxford, 2011), co-edited as a debate volume. Plantinga argued naturalism + evolution are incompatible (his EAAN, the Argument from the Reliability of Reason); Dennett defended their compatibility. The exchange is widely regarded as one of the most respectful and analytically serious atheist-theist debates of the era, and as Plantinga's most concentrated engagement with a New Atheist.

Why Dennett is the most respected of the Four Horsemen (in Christian circles)

He engaged real philosophical arguments (rather than the rhetorical ridicule that often substituted for argument in Dawkins / Hitchens)
He took religion as a serious phenomenon worth scientific investigation (rather than mere stupidity to be dismissed)
He acknowledged the genuine philosophical force of theistic arguments before responding to them
He was willing to debate Christian philosophers on their own analytical terms (Plantinga, Craig, Swinburne)
His positions are defensible in the technical philosophical sense, they can be argued for and against, not merely asserted

This does not mean Christian philosophers concede Dennett's positions. It means Dennett earned a level of philosophical respect Hitchens and (to a lesser extent) Dawkins and Harris did not, by playing the game by the rules of analytical philosophy.