Φ · From the first philosopher to 2026
The History of Philosophy
A growing catalogue of the thinkers who shaped how humanity understands reality, knowledge, and how to live. Each entry maps their timeline, the positions they supported and why, the causes they championed, the issues they wrestled with, the hurdles they faced, and every work — surviving or lost.
Volumes I–VI · The complete arc — from Thales, the Buddha, Confucius, and Laozi (6th c. BCE) to living philosophers of the present day. Greek, Roman, Indian, Chinese, Islamic, Jewish, Byzantine, and modern thought, in one connected story.
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New to philosophy? Don't start with names. Follow a question through the thinkers who wrestled with it.
The Timeline
Every philosopher in chronological order — from Thales to living thinkers of today, across every major tradition. Note how the Buddha, Confucius, and Laozi stand beside the Presocratics. Hover a marker; click to open.
The Philosophers
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Thales of Miletus
624–546 BCEThe first philosopher — sought the single stuff behind all things.
Anaximander
610–546 BCEProposed the boundless 'apeiron' and drew the first map of the world.
Cārvāka (Lokāyata)
600–500 BCEIndia's materialist and empiricist heterodoxy — only perception is knowledge, only this world is real.
Mahāvīra
599–527 BCE24th Tīrthaṅkara of Jainism — radical nonviolence and the many-sidedness of truth.
Anaximenes
586–526 BCESaid air is the source of all, transformed by condensation and rarefaction.
Pythagoras
570–495 BCENumber is the essence of reality; founded a mystical mathematical brotherhood.
Xenophanes of Colophon
570–478 BCEMocked man-made gods; glimpsed one non-human God and the limits of knowledge.
Laozi
570–500 BCESemi-legendary founder of Daoism and the Dao De Jing — the Way and non-action.
The Buddha
563–483 BCEAwakened teacher of suffering's end — the Four Noble Truths and the Middle Way.
Confucius
551–479 BCETeacher of virtue, ritual, and humaneness who shaped East Asian civilization.
Heraclitus
535–475 BCE'Everything flows' — reality is ceaseless change governed by the Logos.
Parmenides
515–450 BCEArgued from pure reason that Being is one, changeless, and eternal.
Anaxagoras
500–428 BCE'In everything a portion of everything'; Mind (Nous) orders the cosmos.
Empedocles
494–434 BCEFour roots (earth, air, fire, water) mixed by Love and Strife.
Zeno of Elea
490–430 BCEDefended Parmenides with paradoxes showing motion and plurality absurd.
Protagoras
490–420 BCE'Man is the measure of all things' — the first great relativist.
Gorgias
483–375 BCEMaster rhetorician who argued that nothing exists — and if it did, we couldn't know it.
Leucippus
480–420 BCEFounder of atomism — 'nothing happens in vain, but all from reason and necessity.'
Socrates
470–399 BCEKnew that he knew nothing; died for the examined life.
Melissus of Samos
470–430 BCEEleatic who argued Being is infinite — and an admiral who beat the Athenian fleet.
Philolaus
470–385 BCEFirst Pythagorean to publish; put a 'central fire', not the earth, at the cosmos's heart.
Mozi
470–391 BCEFounder of Mohism — impartial care, meritocracy, and against wasteful war.
Democritus
460–370 BCEReality is atoms and void — a purposeless, mechanical universe.
Antisthenes
445–365 BCESocratic ascetic and founder of Cynicism — virtue alone suffices for happiness.
Aristippus of Cyrene
435–356 BCEThe Socratic who made pleasure the goal — founder of Cyrenaic hedonism.
Archytas of Tarentum
435–347 BCEPythagorean statesman, mathematician, and the friend who saved Plato's life.
Xenophon
430–354 BCESoldier-historian whose memoirs preserve a practical, down-to-earth Socrates.
Plato
428–348 BCEReality lies in eternal Forms; founded the Academy and wrote the dialogues.
Diogenes of Sinope
412–323 BCEThe Cynic who lived in a jar and mocked every convention.
Aristotle
384–322 BCEThe systematizer of everything — logic, nature, ethics, politics.
Mencius
372–289 BCEThe 'Second Sage' of Confucianism who held that human nature is good.
Theophrastus
371–287 BCEAristotle's successor and the 'father of botany.'
Zhuangzi
369–286 BCEDaoist master of spontaneity, relativity, and the freedom of the open mind.
Crates of Thebes
365–285 BCEThe gentle Cynic who gave away a fortune — and taught Zeno the Stoic.
Pyrrho of Elis
360–270 BCEFounder of Skepticism — suspend judgement to find peace.
Hipparchia of Maroneia
350–280 BCECynic who chose the ragged life over wealth — one of antiquity's few named women thinkers.
Epicurus
341–270 BCEPleasure as tranquillity; do not fear the gods or death.
Zeno of Citium
334–262 BCEFounder of Stoicism — live in agreement with nature and reason.
Cleanthes
330–230 BCEThe boxer-turned-Stoic who drew water by night and led the Stoa.
Arcesilaus
316–241 BCETurned Plato's Academy skeptical — suspend judgement, act on the reasonable.
Xunzi
310–235 BCEConfucian realist who held human nature is bad and must be reformed by culture.
Han Feizi
280–233 BCEMaster theorist of Legalism — rule by law, method, and power, not virtue.
Chrysippus
279–206 BCEThe 'second founder' of Stoicism who systematized its logic.
Carneades
214–129 BCEThe Academy's greatest skeptic — argued for and against justice on successive days.
Kaṇāda
200–140 BCEFounder of Vaiśeṣika — an ancient Indian atomism of substances and categories.
Panaetius of Rhodes
185–110 BCEFounder of Middle Stoicism who softened the Stoa and carried it to Rome.
Posidonius
135–51 BCEThe Stoic polymath who measured the earth and bound all knowledge into one system.
Cicero
106–43 BCERoman statesman who gave Latin its philosophical vocabulary and preserved Greek thought.
Lucretius
99–55 BCECast Epicurean physics into sublime Latin verse to free humanity from fear.
Aenesidemus
80–10 BCERevived Pyrrhonism and codified the 'Ten Modes' of suspending judgement.
Philo of Alexandria
25 BCE – 50 CEFused the Torah with Plato; father of the allegorical reading of scripture.
Seneca
4 BCE – 65 CEStoic statesman and playwright who taught how to live — and how to die.
Musonius Rufus
30–100 CEThe 'Roman Socrates' — philosophy is practice, and women too should study it.
Plutarch
46–120 CEPlatonist priest and biographer whose Lives and Moralia shaped Western character.
Epictetus
50–135 CEBorn a slave; taught that freedom lies in what is 'up to us'.
Marcus Aurelius
121–180 CERoman emperor and Stoic who wrote the Meditations to himself.
Patañjali
150–200 CECompiler of the Yoga Sūtras — the classical philosophy and psychology of yoga.
Nāgārjuna
150–250 CEFounder of Madhyamaka Buddhism — the philosophy of emptiness (śūnyatā).
Akṣapāda Gautama
150–200 CEFounder of Nyāya — India's great school of logic, debate, and epistemology.
Sextus Empiricus
160–210 CESystematized ancient Skepticism; our fullest source on it.
Plotinus
204–270 CEFounder of Neoplatonism — all reality flows from and returns to the One.
Porphyry
234–305 CEPlotinus' editor, whose 'Isagoge' framed a thousand years of logic.
Iamblichus
245–325 CEMade ritual ('theurgy') central to Neoplatonism and multiplied its divine hierarchy.
Asaṅga
300–370 CEFounder of Yogācāra Buddhism — the systematic path of 'consciousness-only'.
Īśvarakṛṣṇa
320–380 CESystematizer of Sāṃkhya — the dualism of consciousness (puruṣa) and nature (prakṛti).
Vasubandhu
350–430 CECo-founder of Yogācāra — 'consciousness-only' Buddhist idealism.
Augustine of Hippo
354–430 CEFused Christianity with Platonism and wrote the first great autobiography.
Hypatia of Alexandria
360–415 CEMathematician and Neoplatonist teacher of Alexandria, murdered by a mob.
Proclus
412–485 CEThe last great pagan systematizer — Neoplatonism as rigorous, geometric metaphysics.
Bodhidharma
440–530 CESemi-legendary first patriarch of Chan (Zen) — 'a direct pointing to the mind'.
Boethius
477–524 CE'Last of the Romans, first of the Scholastics' — wrote philosophy's great prison book.
Pseudo-Dionysius the Areopagite
480–530 CEAnonymous mystic who fused Proclus with Christianity and gave the West negative theology.
Dignāga
480–540 CEFounder of Buddhist logic and epistemology — the 'father of medieval Indian logic'.
Dharmakīrti
600–660 CEThe greatest Buddhist logician — perfected the epistemology of perception and inference.
Huineng
638–713 CESixth Patriarch of Chan (Zen) — sudden awakening and the Buddha-nature within.
Ādi Śaṅkara
700–750 CEGreat systematizer of Advaita (non-dual) Vedānta — Brahman alone is real.
Al-Kindī
801–873 CEThe 'Philosopher of the Arabs' who first married Greek philosophy to Islam.
John Scotus Eriugena
815–877 CECarolingian Irishman who built a daring Neoplatonic system of all reality.
Al-Fārābī
872–950 CEThe 'Second Teacher' after Aristotle and founder of Islamic political philosophy.
Saadia Gaon
882–942 CEFirst great Jewish philosopher; used reason (kalām) to defend the faith.
Avicenna
980–1037 CEThe supreme system-builder of Islamic philosophy and medicine.
Michael Psellos
1017–1078 CERevived Platonism in Byzantium and put philosophy back at the center of learning.
Rāmānuja
1017–1137 CEFounder of Vishishtadvaita — qualified non-dualism and a philosophy of devotion.
Zhou Dunyi
1017–1073 CEFounder of Neo-Confucian metaphysics — the 'Supreme Ultimate' and the diagram of cosmic order.
Solomon ibn Gabirol
1021–1058 CEAndalusian poet-philosopher whose Neoplatonism reached the Latins as 'Avicebron'.
Anselm of Canterbury
1033–1109 CE'Faith seeking understanding'; invented the ontological argument for God.
Cheng Yi
1033–1107 CECo-founder of Neo-Confucian 'principle' philosophy — the 'Cheng' of the Cheng-Zhu school.
Al-Ghazālī
1058–1111 CETheologian-Sufi who challenged the philosophers and reconciled reason with mysticism.
Judah Halevi
1075–1141 CEPoet who defended the God of Abraham against the God of the philosophers.
Peter Abelard
1079–1142 CEBrilliant, combative logician of universals — and the lover of Héloïse.
Bernard of Clairvaux
1090–1153 CECistercian mystic of love who distrusted Abelard's cold dialectic.
Peter Lombard
1096–1160 CEAuthor of the 'Sentences' — the textbook every medieval theologian had to master.
Hildegard of Bingen
1098–1179 CEVisionary abbess, composer, and natural philosopher — a rare medieval woman's voice.
Averroes
1126–1198 CE'The Commentator' on Aristotle who defended philosophy against al-Ghazālī.
Zhu Xi
1130–1200 CEGreat synthesizer of Neo-Confucianism — principle (li), vital force (qi), and the investigation of things.
Maimonides
1138–1204 CEThe greatest Jewish philosopher; reconciled the Torah with Aristotle.
Lu Jiuyuan
1139–1193 CEFounder of the Neo-Confucian 'School of Mind' — the universe is the mind.
Suhrawardī
1154–1191 CEFounder of 'Illuminationist' philosophy — reality as gradations of light.
Ibn ʿArabī
1165–1240 CEThe 'Greatest Master' of Sufi metaphysics and the 'unity of being'.
Robert Grosseteste
1168–1253 CEOxford's founding master of light-metaphysics and the mathematical study of nature.
Albertus Magnus
1200–1280 CEThe 'Universal Doctor' who brought Aristotle and empirical science into Christendom.
Henry of Ghent
1217–1293 CEThe most influential master between Aquinas and Scotus; defender of divine illumination.
Roger Bacon
1219–1292 CE'Doctor Mirabilis' who championed experiment and mathematics centuries early.
Bonaventure
1221–1274 CEThe 'Seraphic Doctor' who kept Augustine and mysticism at the heart of Scholasticism.
Thomas Aquinas
1225–1274 CESynthesized Aristotle with Christianity — the towering system of Scholasticism (Thomism).
Ramon Llull
1232–1316 CECatalan visionary whose 'Art' sought a universal logic to convert the world.
Madhva
1238–1317 CEFounder of Dvaita — thoroughgoing dualism and the eternal distinction of soul and God.
Siger of Brabant
1240–1284 CERadical Aristotelian ('Latin Averroist') whose theses provoked the 1277 Condemnation.
Marguerite Porete
1250–1310 CEBeguine mystic burned for a book on the soul annihilated in divine love.
Meister Eckhart
1260–1328 CEDominican mystic of the soul's 'divine spark' and detachment — union with God within.
John Duns Scotus
1266–1308 CEThe 'Subtle Doctor' — univocity of being, 'thisness', and the primacy of the will.
Marsilius of Padua
1275–1342 CEArgued that political authority rises from the people — a radical medieval secularism.
William of Ockham
1287–1347 CENominalist of 'Ockham's razor' who cut away universals and split faith from reason.
Gregory Palamas
1296–1359 CEDefender of Hesychast mysticism; distinguished God's unknowable essence from his energies.
Jean Buridan
1301–1362 CENominalist logician of Paris who theorized 'impetus', anticipating inertia.
Ibn Khaldūn
1332–1406 CEFounder of the philosophy of history and a science of society.
Gemistos Plethon
1355–1452 CELast of the Byzantine Platonists who reignited Plato in the Renaissance West.
Nicholas of Cusa
1401–1464 CE'Learned ignorance' and the coincidence of opposites — a bridge from medieval to modern.
Niccolò Machiavelli
1469–1527 CEFounder of modern political realism — how power is actually won and kept.
Wang Yangming
1472–1529 CENeo-Confucian idealist of innate moral knowing and the unity of knowledge and action.
Michel de Montaigne
1533–1592 CEInventor of the essay; a skeptical, humane inquiry into the self.
Francis Bacon
1561–1626 CEProphet of the scientific method — knowledge is power, built from experiment.
Thomas Hobbes
1588–1679 CEMaterialist of the social contract — the state as escape from the war of all against all.
René Descartes
1596–1650 CEFather of modern philosophy — 'I think, therefore I am' and methodic doubt.
Blaise Pascal
1623–1662 CEMathematician-mystic of the wager and the limits of reason.
Baruch Spinoza
1632–1677 CERationalist of the one substance — God-or-Nature, and freedom through understanding.
John Locke
1632–1704 CEFather of empiricism and liberalism — the mind a blank slate, government by consent.
Gottfried Wilhelm Leibniz
1646–1716 CERationalist polymath of monads and the best of all possible worlds.
George Berkeley
1685–1753 CEIdealist empiricist — 'to be is to be perceived'; no matter, only minds and ideas.
Montesquieu
1689–1755 CETheorist of the separation of powers and the spirit of the laws.
Voltaire
1694–1778 CEThe Enlightenment's fiercest wit — tolerance, free speech, and 'crush the infamous'.
Émilie du Châtelet
1706–1749 CEEnlightenment physicist-philosopher who synthesized Newton and Leibniz — and 'living force'.
David Hume
1711–1776 CEThe great skeptic — cause, self, and reason dissolved by experience and habit.
Jean-Jacques Rousseau
1712–1778 CEProphet of natural goodness and the general will — 'man is born free, and everywhere in chains.'
Adam Smith
1723–1790 CEMoral philosopher of sympathy and the 'invisible hand' of the market.
Immanuel Kant
1724–1804 CEThe Copernican revolution in philosophy — the mind shapes experience; act on universal law.
Mary Wollstonecraft
1759–1797 CEFounder of modern feminist philosophy — reason and rights for women.
G. W. F. Hegel
1770–1831 CEGerman Idealist of the dialectic — reality and history as the unfolding of Spirit.
Arthur Schopenhauer
1788–1860 CEPhilosopher of the blind Will — pessimism, and release through art and compassion.
John Stuart Mill
1806–1873 CEThe great liberal utilitarian — the greatest happiness, liberty, and the rights of women.
Søren Kierkegaard
1813–1855 CEFather of existentialism — truth is subjectivity, and faith is a leap.
Karl Marx
1818–1883 CEHistorical materialist and critic of capital — 'the point is to change it.'
Charles Sanders Peirce
1839–1914 CEFounder of pragmatism and semiotics — meaning is in practical effects.
William James
1842–1910 CEPragmatist and psychologist — truth is what works, and the will to believe.
Friedrich Nietzsche
1844–1900 CE'God is dead' — the will to power, the critique of morality, and self-creation.
Gottlob Frege
1848–1925 CEFather of modern logic — quantification, sense and reference, the foundations of arithmetic.
Edmund Husserl
1859–1938 CEFounder of phenomenology — 'to the things themselves', and the structures of consciousness.
Nishida Kitarō
1870–1945 CEFounder of the Kyoto School — 'pure experience' and the logic of 'nothingness'.
Bertrand Russell
1872–1970 CELogician, analytic pioneer, and public conscience — logic, language, and reason against dogma.
Ludwig Wittgenstein
1889–1951 CEPhilosopher of language, twice over — the limits of language, and meaning as use.
Martin Heidegger
1889–1976 CEThinker of Being — Dasein, being-in-the-world, and being-toward-death.
Karl Popper
1902–1994 CEPhilosopher of science and the open society — knowledge grows by refutation.
Jean-Paul Sartre
1905–1980 CEExistentialist of radical freedom — 'existence precedes essence.'
Hannah Arendt
1906–1975 CEPolitical thinker of action, plurality, and 'the banality of evil'.
Simone de Beauvoir
1908–1986 CEFounder of modern feminist philosophy — 'one is not born, but becomes, a woman.'
W. V. O. Quine
1908–2000 CEAnalytic naturalist — no dogma of analytic truth, and knowledge as one web of belief.
John Rawls
1921–2002 CEReviver of political philosophy — justice as fairness, behind a veil of ignorance.
Thomas Kuhn
1922–1996 CEHistorian-philosopher of science — 'paradigm shifts' and scientific revolutions.
Frantz Fanon
1925–1961 CEPhilosopher of decolonization — race, the psychology of oppression, and liberation.
Michel Foucault
1926–1984 CEAnalyst of power and knowledge — how discipline, discourse, and norms make the subject.
Peter Singer
1946 CE – presentUtilitarian of the expanding circle — animal liberation and effective altruism.
Martha Nussbaum
1947 CE – presentPhilosopher of capabilities and emotions — what people are actually able to do and be.
David Chalmers
1966 CE – presentPhilosopher of mind — the 'hard problem' of consciousness.