Person

Friedrich Nietzsche

German philosopher, philologist, cultural critic (1844-1900). The most philosophically serious atheist of the 19th century and arguably the most consequential for the 20th-21st: his "God is dead" announcement (The Gay Science, 1882, §125), his attack on Christian morality as "slave morality" (On the Genealogy of Morality, 1887), and his call for a revaluation of all values on atheist grounds set the stakes for everything that follows. Nietzsche understood, more clearly than the modern New Atheists, that if God is genuinely dead, the implications are world-historical and largely tragic. The shallow celebration of atheism as cultural liberation that characterizes much of contemporary atheist polemics is exactly the response Nietzsche predicted and despised.

For Christian apologetics, Nietzsche is the indispensable atheist, the one who saw clearly what atheism actually entails when its consequences are followed through. Christian engagement with him is therefore among the most fruitful in the apologetic tradition.

Biographical sketch

Born October 15, 1844, Röcken, Prussia. Lutheran pastoral family; father (Carl Ludwig Nietzsche) died of brain disease when Nietzsche was 4.
Pforta (boarding school, 1858-64), the elite Protestant gymnasium where he was classically trained.
Bonn / Leipzig (1864-69), initially theology, then classical philology under Friedrich Ritschl.
Basel University (1869-79), appointed professor of classical philology at age 24 (without a doctorate). Forced to retire 1879 due to deteriorating health.
Wandering decade (1879-89), Sils-Maria (summers), Italian Riviera (winters), Nice, Turin, most productive philosophical period.
Mental collapse (January 3, 1889, Turin), collapsed in a street upon seeing a horse being beaten. Spent his last 11 years incapacitated, cared for by his sister Elisabeth Förster-Nietzsche.
Died August 25, 1900, Weimar, age 55.

Posthumous reputation problems

Nietzsche's sister Elisabeth (a Nazi-sympathizing anti-Semite) edited and selectively published his unpublished notebooks as The Will to Power (1901, 1906) after his death, assembling material in ways Nietzsche did not authorize and that distorted his philosophy in proto-fascist directions. The Nazi appropriation of Nietzsche in the 1930s-40s rested partly on this distorted edition. Walter Kaufmann's post-WWII translations and scholarship (1950s-70s) rescued Nietzsche from this misuse, demonstrating that Nietzsche was anti-anti-Semitic, anti-nationalist, and anti-mass-politics. Contemporary scholarship is firmly post-Kaufmann.

Major works

Early period (philological / Schopenhauerian)

The Birth of Tragedy from the Spirit of Music (1872), Apollonian / Dionysian distinction; defense of tragic worldview against Socratic rationalism.
Untimely Meditations (4 vols., 1873-76), including the famous "On the Uses and Disadvantages of History for Life" (1874).

Middle period (free-spirit / anti-metaphysical)

Human, All Too Human (1878), aphoristic style emerges; break with Wagner and Schopenhauer.
Daybreak / Morgenröte (1881), sustained psychological-cultural critique.
The Gay Science / Die fröhliche Wissenschaft (1882; expanded 1887), the "madman" passage announcing "God is dead" appears here (§125); also the recurrence-thesis (§341).

Mature period (the great works)

Thus Spoke Zarathustra (4 parts, 1883-85), his most famous (and most rhetorical) work; the Übermensch (overman), eternal recurrence, the death of God developed in narrative-mythological form.
Beyond Good and Evil (1886), systematic attack on traditional morality + naturalist alternative.
On the Genealogy of Morality (1887), three essays: "Good and Evil, Good and Bad"; "Guilt, Bad Conscience"; "What Do Ascetic Ideals Mean?", the genealogical method applied to Christian morality.

Final year (1888)

The Case of Wagner (1888), break with Wagner finalized
Twilight of the Idols (1888), "philosophizing with a hammer"
The Antichrist (1888, published 1895), direct frontal attack on Christianity
Ecce Homo (1888, published 1908), autobiographical
Nietzsche contra Wagner (1888)

Five central themes for Christian apologetics

1. God is dead

The famous passage (The Gay Science §125, 1882):

"God is dead. God remains dead. And we have killed him. How shall we comfort ourselves, the murderers of all murderers? What was holiest and mightiest of all that the world has yet owned has bled to death under our knives... Is not the greatness of this deed too great for us? Must we ourselves not become gods simply to appear worthy of it?"

Nietzsche's claim is not the metaphysical claim that God-the-being has been disproved. It is the cultural-historical claim that the cultural function God served, grounding meaning, morality, value, purpose, has been hollowed out by the long process of European secularization (Enlightenment + science + Higher Criticism + Darwin). The "death of God" is something Europe has done to itself, often without realizing the consequences.

The "madman" of the passage announces the death of God to the atheists in the marketplace, and they laugh at him. They have not understood what they have done. They think the death of God is liberation; the madman knows it is catastrophe waiting to unfold across centuries.

This is the prophecy 20th-c. history substantially fulfilled.

2. The genealogy of Christian morality

In On the Genealogy of Morality (1887), Nietzsche advances the slave-morality thesis: Christian morality is not an objective discovery of moral truth but a historical product of resentful weakness. The first essay distinguishes:

Master morality (aristocratic, noble), defines "good" as what I am (strong, beautiful, victorious, generous, life-affirming); "bad" as the opposite (weak, ugly, defeated, base, life-denying).
Slave morality (Jewish-Christian), defines "good" as what those-who-hurt-me are not (humble, meek, suffering, poor, etc.); "evil" as the noble traits the powerful exhibit (proud, strong, vital, etc.).

Christian morality, on Nietzsche's account, is resentment (ressentiment) raised to a worldview. It values weakness because the weak invented it; it preaches forgiveness because the powerless cannot retaliate; it promises afterlife justice because terrestrial justice is unavailable to those who cannot enforce it.

The Christian counter, multiple lines:

Genetic fallacy. Showing the historical origins of a belief does not refute its truth. Even if Christian morality arose in conditions of weakness, this says nothing about whether it is true. (Tom Holland, Dominion, 2019, develops this counter at length.)
The wholesale-good critique. Nietzsche's claim that Christian morality is all resentment fails on the obvious cases, Christian valuation of love, beauty, joy, courage, suffering-borne-well, the imago Dei doctrine, the sacramental ontology. The slave-morality reading is a partial and tendentious selection.
The cultural-historical counter. The moral values Nietzsche-influenced secular moderns celebrate (human dignity, equality, opposition to slavery, concern for the weak, anti-cruelty) are Christian moral commitments that became secularly-universal through Christianization. The genealogical method, applied to secular humanism, reveals it as Christian-content with the foundations denied. (Tom Holland, Dominion; David Bentley Hart, Atheist Delusions.)
Nietzsche's own consistency cost. Nietzsche followed his own logic where most contemporary atheists do not, he saw clearly that the death of God required the abandonment of humanism itself (his "Last Man" prediction). Contemporary atheism that retains humanist commitments while denying God is, by Nietzsche's own diagnosis, half-honest at best. (This is why Nietzsche is so dangerous to contemporary atheism, his honesty exposes their inconsistency.)

3. Eternal recurrence

In The Gay Science §341 (1882) and Thus Spoke Zarathustra (1883-85): the thought-experiment of eternal recurrence, what if you had to live this exact life, with every detail unchanged, infinitely many times over? Nietzsche presents this as the ultimate test of life-affirmation: only the one who can will their life back exactly as it was has overcome the resentment of existence.

The thought-experiment is philosophically equivocal, sometimes presented as metaphysical doctrine (the cosmos repeats), sometimes as ethical test. Its primary function is to expose the life-denial of Christianity (Christians long for a different / better life beyond this one) versus the life-affirmation Nietzsche commends.

4. The Übermensch

The overman or superman (Zarathustra's central image), the human being who has overcome the slave-morality of resentment and can affirm life on naturalist-Dionysian terms. Often misread as a proto-fascist superhero figure; in Nietzsche's text it is a spiritual / existential achievement, not a racial or political one. The Übermensch is the one who can will eternal recurrence with joy.

5. Will to power

The fundamental drive of all life on Nietzsche's account: not survival (Darwin), not pleasure (Bentham), not God (Christianity), but the expansion and expression of power. All values, all moralities, all worldviews are at bottom forms of will-to-power. The Christian critique: this is a reductive metaphysics that, like all such reductions, cannot account for the phenomena that fall outside its preferred dimension (love, beauty, sacrifice, mercy, the suffering-borne-well-for-another). The Christian metaphysics of agape as ultimate (1 John 4:8, "God is love") is positioned exactly against the will-to-power reduction.

Why Nietzsche matters for contemporary apologetics

He honestly faces the implications of atheism. Where contemporary New Atheists try to keep traditional moral commitments after denying their foundation, Nietzsche shows this is unstable. The atheist who wants to retain both the death of God and concern for the weak, equality, human rights, etc., is borrowing what Nietzsche correctly shows cannot be borrowed without a Christianity-shaped foundation.
He is the load-bearing 20th-c. influence. Heidegger, Sartre, Camus, Foucault, Derrida, Deleuze, the 20th-c. continental atheist tradition is largely post-Nietzschean. Contemporary "postmodern" / "post-truth" discourse is the inheritor of Nietzsche's program. Engaging Nietzsche is engaging the source-code.
He predicted the 20th c. Nietzsche prophesied, in the 1880s, that the 20th c. would see wars on a scale never before imagined and the collapse of meaning-systems unable to absorb the death of God. World Wars I and II, the totalitarian regimes, the cultural-existential vacuum of postwar Europe, Nietzsche called it.
He resists Christian-friendly co-option. Christians sometimes try to baptize secular thinkers (Kierkegaard, Tolstoy, Dostoevsky); Nietzsche resists. He is unambiguously, terminally anti-Christian. Engaging him requires the apologist to actually argue, not absorb.

Key Christian engagements with Nietzsche

G.K. Chesterton, Orthodoxy (1908), early Christian response; treats Nietzsche as the most honest atheist of the era.
C.S. Lewis, sustained engagement in The Abolition of Man (1943) and the science-fiction trilogy.
Dietrich Bonhoeffer, Ethics (posthumous), engages Nietzsche's challenge to Christian ethics as foundational.
Karl Barth, Church Dogmatics III/2, extensive engagement with Nietzsche on the human person.
Erich Przywara, Polarity, engages Nietzsche philosophically.
Eric Voegelin, Order and History, Nietzsche as exemplar of gnostic modernity.
René Girard, I See Satan Fall Like Lightning (1999), engages Nietzsche's resentment-thesis with the anthropology of the scapegoat.
David Bentley Hart, Atheist Delusions (2009) + The Beauty of the Infinite (2003), sustained engagement with Nietzsche as the most serious atheist interlocutor.
N.T. Wright, History and Eschatology (2019), engages Nietzsche on history, eschatology, and the Übermensch prediction.