Modern Recovery

The modern Irenaeus renaissance: the printed editions from Erasmus (1526) through Harvey to the Sources Chrétiennes critical edition; the discovery of the Nag Hammadi codices in 1945, which let scholars test his reports of the gnostics against their own texts and largely vindicated his accuracy (with attributed qualifications); the twentieth- and twenty-first-century theological retrievals — Orthodox (John Behr’s two books and the neo-patristic use) and Western (von Balthasar; John Hick’s distinct “Irenaean theodicy,” described and distinguished from Irenaeus himself); Rome’s 2022 declaration of Irenaeus as Doctor of the Church under the title Doctor Unitatis, the ecumenical signal it sent, and attributed responses; and why Irenaeus matters now.

Tradition: Pan-Orthodox (Church Father)

The Editions: Erasmus to the Critical Text

The modern recovery of Irenaeus begins, as so much patristic recovery does, with the printing press. Because Against Heresies survives complete only in an early, extremely literal Latin translation — the Greek original having been lost as a whole work in the medieval period (see Patristic Reception) — the textual history is a history of editing that Latin and supplementing it from the Greek fragments.

The editio princeps was produced by Erasmus in 1526 (Basel, Froben). Erasmus worked from Latin manuscripts, and his edition drew on sources not represented in the three principal surviving Latin manuscripts, making it a witness in its own right; it went through many reprintings and shaped how Irenaeus was read for the next three centuries. Subsequent early-modern editions — by Feuardent (1575, who added material from the Greek fragments), Grabe (1702), and the Benedictine Massuet (1710, reprinted in Migne’s Patrologia Graeca 7) — progressively gathered the Greek excerpts preserved in Hippolytus, Epiphanius, Eusebius, the Sacra Parallela, and the catenae.

The first genuinely critical edition in English-language scholarship was that of W. Wigan Harvey, Sancti Irenaei episcopi Lugdunensis libros quinque adversus haereses (Cambridge, 1857), in two volumes, printing the Latin with the Greek fragments and, for the first time, drawing on the Syriac fragments. Harvey’s chapter-and-section divisions are still cited.

The modern standard is the Sources Chrétiennes critical edition, prepared chiefly by Adelin Rousseau and Louis Doutreleau and published in Paris between 1965 and 1982: Book I (SC 263–264), Book II (SC 293–294), Book III (SC 210–211), Book IV (SC 100, in two parts), and Book V (SC 152–153). This edition collates the Latin, the Greek fragments, the Armenian version (Books IV–V, recovered in 1904), and the Syriac, and it is the text behind all serious contemporary study. The Demonstration of the Apostolic Preaching, lost in Greek and recovered in an Armenian manuscript only in 1904, is likewise critically edited and is available in English in St. Vladimir’s Popular Patristics Series 17, On the Apostolic Preaching, trans. John Behr (1997) (see Epideixis).

Nag Hammadi (1945) and the Vindication of His Reports

For most of Christian history, Irenaeus’ Against Heresies was the single best surviving description of second-century gnosticism — the heresiologists’ reports were, in effect, all scholars had. That changed in December 1945, when a cache of thirteen Coptic codices was unearthed near Nag Hammadi in Upper Egypt, containing some fifty-two tractates, many of them gnostic works (the Apocryphon of John, the Gospel of Truth, the Gospel of Thomas, and others). For the first time, the gnostics could be read in their own words rather than through their opponents.

The result was, on the whole, a vindication of Irenaeus’ basic reliability. Where his accounts could be checked against the new texts — most directly the Apocryphon of John, whose Sethian myth closely matches the system Irenaeus describes in Against Heresies I.29 — he proved a careful and substantially accurate reporter. As the standard summary has it, when the texts were published “Irenaeus proved to be quite precise in his discussions of their beliefs”; scholars found that “he knew what he was talking about.” This recovery of his credibility is one root of the modern Irenaean renaissance: a writer once suspected of caricaturing his enemies turned out to have transmitted their doctrines with care.

The reassessment is not uncritical, and the qualification should be attributed rather than flattened. Many scholars caution that the fit between the heresiological catalogues and the actual tractates is partial: a number of Nag Hammadi texts do not match any sect Irenaeus (or Hippolytus, or Epiphanius) describes, and the very category “Gnosticism” as the heresiologists constructed it has been challenged — most influentially by Michael Allen Williams (Rethinking “Gnosticism,” 1996) and Karen King (What Is Gnosticism?, 2003), who argue that the surviving texts are too varied to be subsumed under the heresiologists’ single rubric and should be read on their own terms. So the consensus is double: Irenaeus was a reliable witness to the specific systems he reports, but his organizing framework — heresy as a unified deviation traceable to Simon Magus — is a polemical construction rather than a neutral map (assessment attributed to Williams, King, and the post-1945 scholarship generally).

The Twentieth-Century Theological Recovery

Alongside the textual and historical recovery came a theological one, in which Irenaeus moved from the status of a quarry for proof-texts to that of a constructive theologian read for himself.

Orthodox retrieval: John Behr. The most sustained Orthodox engagement is that of the priest-theologian John Behr. His doctoral work became Asceticism and Anthropology in Irenaeus and Clement (Oxford, 2000), reading Irenaeus’ account of the human person — created immature and called to grow toward the likeness of God — as a coherent theological anthropology rather than a primitive sketch (see Infancy and Growth). Behr then placed Irenaeus at the head of his series The Formation of Christian Theology, vol. 1, The Way to Nicaea (SVS Press, 2001), arguing that the rule of faith and the scriptural reading Irenaeus articulated are the deep structure of what later became Nicene orthodoxy. His synthetic Irenaeus of Lyons: Identifying Christianity (Oxford, 2013) is now a standard monograph. Behr’s work exemplifies the neo-patristic program — Georges Florovsky’s call to a “return to the Fathers” pursued in the idiom of contemporary academic theology — and it is largely responsible for Irenaeus’ renewed centrality in Orthodox dogmatics, where his unity of God, goodness of creation, and recapitulation in Christ are read as an antidote to dualism (see Rule of Faith).

Western retrieval: von Balthasar. In the Roman Catholic world, Hans Urs von Balthasar gave Irenaeus pride of place in The Glory of the Lord: A Theological Aesthetics, vol. 2, Studies in Theological Style: Clerical Styles (German 1962; ET 1984), opening his gallery of representative theologians with him. Von Balthasar prized in Irenaeus the seamless unity of apologetics and dogmatics: “In Irenaeus apologetics and dogmatics are totally one, because the indissolubility of the inner necessity and harmony between the triune God, the decree of salvation in Christ, Scripture and the Church together with its tradition is both the real content of the intellectus fidei and the only convincing proof of Christian truth ad extra” (von Balthasar, Glory of the Lord II). Irenaeus’ integration of creation, incarnation, and consummation into a single divine economy made him, for von Balthasar, a model of theological form.

The “Irenaean Theodicy” — and Its Distance from Irenaeus

A third strand of modern reception is the most widely known and the most easily misread: the so-called “Irenaean theodicy” of the philosopher of religion John Hick, set out in Evil and the God of Love (1966). Hick contrasted two types of Christian response to evil. The first, the “Augustinian,” locates evil in a primeval Fall from a perfect state. The second, which Hick called “Irenaean,” dispenses with a fall from perfection and instead treats the world as a “vale of soul-making”: God creates human beings immature, at an “epistemic distance” from himself, so that through genuine freedom — and through the struggle with suffering and evil — they may grow into the moral and spiritual likeness of God. Hick took his cue from Irenaeus’ anthropology of the human person created as a child destined to mature (Irenaeus, Against Heresies IV.38).

It must be said plainly, and the distinction is the one the repository methodology requires (distinguishing a later construction from its patristic namesake): the “Irenaean theodicy” is Hick’s, not Irenaeus’. Hick himself acknowledged that he was building “a framework of thought” suggested by Irenaeus rather than expounding Irenaeus’ own teaching, and he drew equally on Origen and Schleiermacher. The differences are substantive. Irenaeus does affirm a real fall of Adam — his whole doctrine of recapitulation depends on Christ’s reversal of Adam’s disobedience (see Anakephalaiosis) — whereas Hick’s theodicy sets the fall aside. Irenaeus’ “growth” is growth into incorruption and the vision of God by grace, oriented to deification, not a generic moral self-realization. And Irenaeus writes as a pastor refuting gnostic dualism, not as a philosopher answering the modern problem of evil. The label “Irenaean theodicy” is therefore best treated as a term of art in twentieth-century philosophy of religion, illuminating about Hick and only obliquely about Irenaeus — a point made in the critical literature on Hick and underscored by Orthodox readers who resist collapsing Irenaeus’ economy of salvation into a developmental optimism (assessment attributed).

Rome’s 2022 Declaration: “Doctor of Unity”

On 21 January 2022, midway through the Week of Prayer for Christian Unity, Pope Francis declared St. Irenaeus of Lyons a Doctor of the Church — the thirty-seventh — under the unprecedented title Doctor Unitatis, “Doctor of Unity.” The Vatican’s rationale was explicitly ecumenical: Irenaeus, born in Smyrna in the Greek East and bishop of Lyons in the Latin West, was “a spiritual and theological bridge between Eastern and Western Christians,” and his name itself, Eirēnaios, means “peaceable” — the peacemaker of the Quartodeciman dispute (see Patristic Reception). The proposal had come in part from the Joint International Commission for Theological Dialogue between the Catholic Church and the Orthodox Church, which had asked that Irenaeus be honored as a patron of Christian unity (Pontifical Council for Promoting Christian Unity, communiqué, January 2022; Catholic News Agency, 21 January 2022).

The ecumenical signal was the point, and the Orthodox response was correspondingly noted. Because the proposal had Orthodox involvement and because Irenaeus is a Father held in common — venerated in the East as a hieromartyr on August 23 — Orthodox commentators generally received the declaration warmly as a gesture toward shared patristic ground, while observing that “Doctor of the Church” is a Western juridical category without an exact Orthodox equivalent and carries no claim on Orthodox practice (response attributed to Orthodox commentary on the declaration). The episode is a clean illustration of how a second-century bishop became, in the twenty-first, a name both communions could invoke.

Why Irenaeus Matters Now

The contemporary stakes are not merely historical. Irenaeus’ two great affirmations — the unity of God (the Creator of the world is the Father of Jesus Christ; there is no lower demiurge) and the goodness of creation and the body (the same flesh that is made is the flesh that is saved and raised) — were forged against gnostic dualism, and they answer recurrent forms of it. Commentators across traditions have argued that Irenaeus speaks directly to “new gnosticisms”: to spiritualities that disparage the material world, to anthropologies that treat the body as a prison or a blank canvas detached from the created self, and to the perennial temptation to locate salvation in secret knowledge rather than in the incarnate Word who recapitulates all things. The assessment that Irenaeus is newly urgent precisely on the unity-of-God-and-goodness-of-creation axis is widely made and is here attributed to that body of contemporary commentary rather than asserted as settled fact. What is not in dispute is that the writer once preserved chiefly by his Latin translators and quarried for his gnostic catalogues is now read, East and West, as a constructive theologian of the whole economy of God — from creation, through the incarnation, to the deification of the living human being who is the glory of God.

References

Irenaeus of Lyons. Against Heresies (Adversus Haereses). Critical edition: Sources Chrétiennes 100, 152–153, 210–211, 263–264, 293–294 (ed. A. Rousseau, L. Doutreleau et al.; Paris, 1965–1982). English: ANF 1. Editio princeps: Erasmus (Basel: Froben, 1526). Critical 19th-c. edition: W. Wigan Harvey, Sancti Irenaei … libros quinque adversus haereses, 2 vols. (Cambridge, 1857).
Irenaeus of Lyons. On the Apostolic Preaching (Demonstration). Trans. John Behr, Popular Patristics Series 17. Crestwood, NY: St. Vladimir’s Seminary Press, 1997.
Behr, John. Asceticism and Anthropology in Irenaeus and Clement. Oxford: Oxford University Press, 2000; The Way to Nicaea (Formation of Christian Theology, vol. 1). Crestwood, NY: SVS Press, 2001; Irenaeus of Lyons: Identifying Christianity. Oxford: Oxford University Press, 2013.
von Balthasar, Hans Urs. The Glory of the Lord: A Theological Aesthetics, vol. 2, Studies in Theological Style: Clerical Styles. Trans. A. Louth et al. Edinburgh: T&T Clark / San Francisco: Ignatius, 1984 (German 1962).
Hick, John. Evil and the God of Love. London: Macmillan, 1966 (rev. 1977).
Williams, Michael Allen. Rethinking “Gnosticism”: An Argument for Dismantling a Dubious Category. Princeton: Princeton University Press, 1996.
King, Karen L. What Is Gnosticism? Cambridge, MA: Harvard University Press, 2003.
Robinson, James M., ed. The Nag Hammadi Library in English. 3rd ed. Leiden: Brill / San Francisco: HarperOne, 1988 — for the codices discovered in 1945.
Osborn, Eric. Irenaeus of Lyons. Cambridge: Cambridge University Press, 2001.
Pontifical Council for Promoting Christian Unity, communiqué on St. Irenaeus as Doctor Unitatis (January 2022); Catholic News Agency and America Magazine reporting, 20–21 January 2022 (used to locate the decree and its rationale).