The history of systems that tried to explain everything

The intellectual spine: every previous total explanatory system — who built it, what it actually claimed, and what became of it — and then what the last hundred years has tried instead. This is a curated account; the full, sourced version is in HISTORY, and the living contemporary field in LANDSCAPE.

By "systems theory" here we mean something broader than the twentieth-century academic field of that name: any total explanatory framework — a way of accounting, in a single coherent order, for nature, society, mind, history, and meaning together. For most of recorded history, human beings had such systems. That sense of coherent, total understanding — the thing that today feels lost — was, for millennia, the normal condition.

The age of total systems (antiquity to ~1830)

The founding move: the archē

Greek philosophy of nature invented the gesture that founds every later system: the search for the archē, a single underlying principle from which everything follows. Thales said all is water; Heraclitus, the logos and ceaseless flux ("everything flows," you cannot step in the same river twice); Parmenides, the opposite — that change is illusion and reality is one unchanging Being; the atomists Leucippus and Democritus, that beneath appearances there is only void and atoms. The claim in each case is the same shape: beneath the visible manifold lies one intelligible order, and to understand is to find it.

Plato and Aristotle — the two poles

Plato (c. 428–348 BCE) builds totality from above. Behind the changing, imperfect things we see stand the Forms — eternal, perfect archetypes (Justice itself, Beauty itself, the Circle itself) of which physical particulars are only flawed copies; genuine knowledge is knowledge of the Forms, everything else mere opinion. The Good is the highest Form, the source of intelligibility "as the sun is the source of light." The Allegory of the Cave — prisoners who take shadows on a wall for reality — is his image of our ordinary condition and still the sharpest picture of a mediated, manufactured reality. And the same three-part structure orders both the soul (reason, spirit, appetite) and the just city (guardians, auxiliaries, producers): justice is each part doing its own work under reason.

Aristotle (384–322 BCE) builds it from below, and disagrees at the root: the form of a thing is not in a separate realm but in the thing itself — every substance is matter shaped by form (hylomorphism). To explain anything is to give its four causes: the material (what it's made of), the formal (its structure or essence), the efficient (what brought it about), and the final (its telos, the end it is for). Nature is through-and-through teleological — things have built-in purposes — and the whole cosmos is drawn toward the unmoved mover, pure actuality that moves all things as an object of love without itself moving. On this frame he wrote the first encyclopedia of knowledge — logic (the syllogism), physics, biology, metaphysics, ethics, politics, poetics — and founded the very idea that the whole can be mapped, bottom-up, from observation.

The cosmos as one living system, and the medieval apex

The Stoics (Zeno, Chrysippus, Marcus Aurelius) held the cosmos to be a single rational living body pervaded by logos, its parts bound by sympatheia (cosmic sympathy) and providentially ordered — an ancient version of "everything is connected," with the ethical corollary to live in agreement with nature. Plotinus (204–270 CE) built the great emanationist hierarchy: all reality overflows from the One, through Intellect and Soul, down to matter. In parallel ran the non-Western totalities — Chinese correlative cosmology (yin–yang, the five phases, the Dao; Zhu Xi's li and qi), the Buddhist pratītyasamutpāda (dependent origination — nothing exists on its own; everything arises in mutual dependence) and Huayan's Indra's Net of infinitely mutually-reflecting jewels, Advaita Vedānta's reduction of all multiplicity to one Brahman, and the vast Aristotelian-Neoplatonic systems of Avicenna, Averroes, and Maimonides.

In the Latin West the total system reached its most complete form in Thomas Aquinas (1225–1274). The Summa Theologica fuses Aristotle with Christian revelation into one architecture — God, creation, angels, human nature, ethics, law, grace, salvation — with reason and faith as two non-conflicting paths to one truth (the "five ways" argue from the world to God). The background picture, the Great Chain of Being, is a hierarchical, meaningful, complete cosmos in which every kind of thing, from God down to inert matter, has its ordained place and purpose. This is the high-water mark of lived total understanding: for centuries, educated people inhabited a world that made total sense.

The transfer to reason and mathematics

The Scientific Revolution did not abandon the ambition; it transferred it from theology to mathematics and mechanism. Descartes (1596–1650) tore knowledge down by methodic doubt to one indubitable point — I think, therefore I am — and rebuilt it deductively, splitting reality into thinking mind and extended matter (the machine of nature). Spinoza (1632–1677), in the Ethics written more geometrico (with definitions, axioms, and proofs), argued there is only one substance — Deus sive Natura, God-or-Nature — of which everything is a mode; all is necessary, freedom is the understanding of that necessity. Leibniz (1646–1716) countered with infinitely many monads (simple, "windowless" substances) in pre-established harmony, and — prophetically — dreamed of a characteristica universalis and a calculus ratiocinator: a universal notation in which disputes could be settled by computation ("let us calculate"). It is the distant ancestor of this project's own idea, that a system too large for one mind might be held computationally. Newton (1687) delivered the Principia: universal gravitation binding the heavens and the earth under one mathematical law — the clockwork universe. The Enlightenment's Encyclopédie then tried to systematize all human knowledge.

The apex and the inversion (~1780–1900)

Kant — the critical system

Kant (1724–1804) staged a "Copernican revolution" in philosophy: instead of assuming our knowledge conforms to objects, he proposed that objects conform to the structure of the knowing mind. Space and time are not things out there but the mind's own forms of intuition; the understanding supplies categories (substance, causality, unity…) that organize all experience. The price is a hard boundary: we can know only phenomena — things as they appear under those forms — never noumena, things-in-themselves. His system is the three Critiques: the Critique of Pure Reason maps the conditions and the limits of knowledge (and its antinomies show reason contradicting itself when it strays beyond possible experience — e.g. arguing with equal force that the world both must and cannot have a beginning); the Critique of Practical Reason grounds morality in reason alone, in the categorical imperative (act only on a maxim you could will to be universal law), with freedom, God, and immortality as necessary postulates; the Critique of Judgment treats beauty and natural purpose, bridging the realms of nature and freedom. Kant both perfected the systematic form (his word for it was the architectonic) and planted the seed of every later doubt about totality — for reason, he showed, cannot reach the whole.

Hegel — the apex

Hegel (1770–1831) is, by wide agreement, the last thinker to claim a complete rational system of the whole in the grand classical sense. Where Kant fenced reason off from the thing-in-itself, Hegel dissolved the fence: reality just is the self-development of Geist (Spirit/Mind) coming to know itself. Its motor is the dialectic: any concept, thought through, generates its own contradiction (its negation), and the tension is resolved in a higher unity that cancels and preserves both (Aufhebung, sublation) — then the process repeats, upward, toward the Absolute. The Phenomenology of Spirit traces consciousness through this ascent to "Absolute Knowing"; the Encyclopedia lays out the whole — logic, nature, spirit, art, religion, philosophy — as one unfolding. History itself becomes rational: the progressive self-realization of freedom. "The rational is the real and the real is the rational." After Hegel the system fractures, and everything that follows is in some way a response to him — completing, inverting, or refusing.

The secular grand narratives

The nineteenth century then produced post-theological total systems, each explaining history by a single principle. Marx (1818–1883) stood Hegel "on his feet": not Spirit but material production drives history (historical materialism). A base of economic forces and relations of production conditions a superstructure of law, politics, and ideology; history advances through a succession of modes of production driven by class struggle, and capitalism's own contradictions point past it. It is at once a total theory of society and a secular eschatology. Comte (1798–1857) proposed the law of three stages — humanity passes from theological to metaphysical to positive (scientific) explanation — crowned by a new science, sociology, and even a "Religion of Humanity" to do the integrating work theology once did. Darwin (1859) supplied natural selection, which Herbert Spencer inflated into a "Synthetic Philosophy" unifying all knowledge under evolution (and, disastrously, into Social Darwinism). By 1900 several rival totalities were in play — Hegel's Spirit, Marx's matter, evolution, positivism — and the sense that one might be the key to everything.

The crisis: why the total system broke (~1880–1970)

Then, within a few decades, five hammers fell.

• Nietzsche (1880s) — "God is dead," and with him any guaranteed total meaning. His perspectivism ("there are no facts, only interpretations") denies the view-from-nowhere every total system assumes; his figure of the Last Man — the comfortable, incurious creature who "invented happiness" and blinks — prophesies a modern condition; and he attacked the systematic impulse itself: "the will to a system is a lack of integrity." He named the disease we still have no cure for — nihilism, the state in which the highest values devalue themselves and there is no shared answer to why.
• Gödel's incompleteness (1931) — as Frege, then Russell and Whitehead, tried to ground all of mathematics in logic, Kurt Gödel proved that any consistent formal system rich enough to contain arithmetic must be incomplete: it harbors true statements it cannot prove. Not a metaphor but a theorem — and its shadow falls on every dream of a complete, self-contained system: no sufficiently rich system can fully capture itself.
• Specialization — the "last person who knew everything" became impossible. Knowledge fissioned into hundreds of specialties, each with its own language; the cognitive precondition of the old systems — that one mind could survey the whole — simply evaporated.
• Heidegger (1927 onward) — Being and Time reopened the forgotten question of Being through Dasein (the human being, the one entity for whom its own being is a question). His later work turned to technology as a way of revealing: Gestell, "enframing," the modern epoch's mode under which everything — nature, people — shows up as standing-reserve, resource to be optimized and ordered. Less a system of the world than a total diagnosis of the age — and the deep logic this project's own theories try to make precise.
• The refusal of grand narratives (postmodernism) — Lyotard (1979): "I define postmodern as incredulity toward metanarratives." The grand stories (Progress, Reason, Emancipation, the dialectic) were declared finished and even complicit — totalizing explanation underwriting total domination. Foucault replaced total theory with local genealogies of power/knowledge; Derrida showed every text deferring its own closure; Baudrillard described simulation and hyperreality, a world of signs detached from any referent where "the map precedes the territory" — the diagnosis this project leans on for the post-truth question.

So since when have we lacked total systems? In the grand classical sense, since roughly Hegel (d. 1831), with Whitehead's Process and Reality (1929) usually named the last serious attempt in the old mode; as a shared, lived understanding, it eroded across the twentieth century and was declared over by the postmodern turn.

The last hundred years: the ambition did not die — it migrated

Here is the correction the project insists on. It is true that the classical grand system died; it is false that "no one has tried since Heidegger." The ambition changed form and migrated out of philosophy — into science, social theory, and new hybrids.

A new science of systems as such

This is where "systems theory" becomes a named field and a genuinely new method — not a metaphysics but a transdisciplinary science of what systems are, whatever they're made of. Ludwig von Bertalanffy's General System Theory sought isomorphies — the same laws of open systems, feedback, and emergence recurring across physics, biology, and society. Norbert Wiener's cybernetics (1948) made feedback, control, and communication "in the animal and the machine" a general science; Claude Shannon's information theory quietly underlies everything digital; second-order cybernetics and Maturana & Varela's autopoiesis (a living system as one that continuously produces itself) put the observer inside the system. System dynamics — Forrester, then Donella Meadows (Limits to Growth, 1972) — modeled the world as stocks, flows, feedback loops, and delays, and found that exponential growth in a finite system overshoots and collapses unless deliberately steered; her hierarchy of leverage points remains the most usable systems toolkit we have. Prigogine showed open systems can spontaneously generate order far from equilibrium (dissipative structures) — the optimistic counter-pole to Meadows's limits. Complexity science (Santa Fe, 1980s onward) added emergence, self-organization, networks, chaos, and scaling laws; and Edgar Morin's pensée complexe ("complex thought") made interconnection itself the method — Morin also coined the word polycrisis.

Social systems theory — Luhmann

The most direct rebuttal to "no one tried since Heidegger" is a sociologist. Niklas Luhmann (1927–1998) took autopoiesis and built an explicitly universal theory of society. Its startling premise: society is not made of people but of communication, which reproduces itself. Modern society is functionally differentiated into self-referential subsystems — law, economy, science, art, politics, mass media — each running on its own binary code (legal/illegal, payment/non-payment, true/false), each operationally closed and unable to directly steer any other. This speaks with eerie directness to coordination failure, the fragmentation of shared reality, and the sense that systems now run without subjects — and it is the counter-example the project's founding premise has to reckon with.

New syntheses — most carrying warning labels

The hunger for a total story never left; it re-emerged as ambitious syntheses. Big History (David Christian) tells one narrative from the Big Bang to now, organized by rising complexity across energy thresholds. Integral Theory (Ken Wilber) offers an explicit "theory of everything," the AQAL map that files every domain onto quadrants, levels, and stages — influential, and the cautionary tale: so accommodating that critics judge it unfalsifiable, a taxonomy nothing can contradict. Metamodernism (Vermeulen & van den Akker; Hanzi Freinacht; Jason Josephson Storm) names a post-postmodern stance — an oscillation between sincerity and irony, engaging grand narratives "as if" they were possible while knowing they aren't; Freinacht turns it into an explicit program of reconstruction ("reconstruction must follow deconstruction") held only ever as a never-final proto-synthesis — close to this project's own stance. Cliodynamics (Peter Turchin) treats history as a natural science: his structural-demographic theory models political instability as a function of elite overproduction, popular immiseration, and declining state fiscal health, coupled through a "wealth pump" — and in 2010 he published a falsifiable forecast of instability peaking in the 2020s. It is the living proof-of-concept that a computational, data-driven, falsifiable systems theory of society is possible. And the polycrisis discourse (Morin's term, revived by Tooze and the WEF) names the way today's crises amplify one another — but, even its champions concede, names the entanglement without explaining it. That gap — a name for the entanglement but no rigorous systems theory of it — is exactly the niche this project targets. Running alongside are the sharp single-mechanism diagnoses of the present as system: Zuboff (surveillance capitalism), Han (the self-exploiting achievement-subject), Lembke (the engineered-reward economy), Latour and Morton (dissolving the nature/society divide; hyperobjects too vast to perceive).

Where that leaves the founding premise

Partly right, and more interesting once corrected. Right: the classical mode — one mind, one book, one complete rational system — is genuinely dead. Too strong: the ambition did not die; it migrated into systems science, Luhmann's social theory, and the contemporary syntheses. Why it is genuinely hard now: Gödelian limits (no rich system captures itself), knowledge overload (no mind commands the relevant fields), pace and reflexivity (theory changes the system it describes, so the target moves), the moral suspicion of totality after the totalitarian century, genuine computational irreducibility (some systems have no theory shorter than running them), and the meaning vacuum (systems thinking is good at how and bad at why-it-matters). Why a new method might nonetheless work: computation and modelling, network and complexity science at scale, commons-based authorship, and designed disagreement — a procedural rather than doctrinal totality, many vantages in structured conflict, never declared finished. The rest of the project acts on that wager and keeps an honest record of whether it works. Stated precisely — and this is the claim the landscape survey's scoring table is built to earn — the niche is not that the field is empty (it is rich, and this project stands on its shoulders) but that no existing framework simultaneously (a) joins the fragments with a directed, signed mechanism, (b) does so in a form built to live and be revised at the pace of the change it describes, and (c) is honest enough to bracket the meaning-question it cannot yet answer rather than faking one. That specific combination is the opening — and (c) is a deliberate concession, not a boast: the project does not claim to close the meaning column. Its own three candidate theories — the adaptation gap, the optimization ecology, and distributed coherence — are the current attempt.

Compact timeline

Read the full, sourced account in HISTORY; the living contemporary field is surveyed in LANDSCAPE. The couplings between today's symptoms are drawn.