Ancient philosophers
A list with every line of influence
From the first Greek naturalists to the late Platonists, with the classical Chinese masters alongside: the thinkers who set the questions everyone after them inherited.
54 thinkers of the ancient world on this map, from Thales of Miletus (c. 624–546 BC) to Iamblichus (c. 245–325). 59 lines of influence stay inside the era, 0 arrive from other eras and 39 lead out of it.
The most influential ancient philosophers
Ranked by how many thinkers on the map draw on them directly. See the full ranking.
- Aristotle 15 direct followers
- Plato 8 direct followers
- Socrates 6 direct followers
- Zeno of Citium 6 direct followers
- Parmenides 4 direct followers
- Pythagoras 4 direct followers
- Cicero 3 direct followers
- Thales of Miletus 2 direct followers
All 54 ancient philosophers, by birth
- Thales of Miletus c. 624–546 BC
The first philosopher: explained the world through nature alone and predicted an eclipse.
- Anaximander c. 610–546 BC
Drew the first world map and traced everything to the boundless apeiron.
- Anaximenes of Miletus c. 586–526 BC
Made air the first principle — everything else is rarefied or condensed air.
- Laozi c. 6th c. BC
The Old Master of the Daodejing — wu wei, the soft overcoming the hard.
- Xenophanes c. 570–478 BC
Mocked anthropomorphic gods and argued for one supreme, unmoving deity.
- Pythagoras c. 570–495 BC
Number mystic whose cult of mathematical order quietly shaped all of Western metaphysics.
- Confucius 551–479 BC
China's master of ritual and character: order begins with the rectification of names.
- Theano 6th c. BC
Pythagorean philosopher of number and harmony, remembered as the school's first woman.
- Heraclitus c. 535–475 BC
The dark philosopher of flux — everything changes, and strife is the father of all.
- Parmenides c. 515–450 BC
Argued that change is an illusion and reality is one unchanging whole — reason over the senses.
- Anaxagoras c. 500–428 BC
Brought cosmic Mind (nous) into physics — and science into Athens, at personal cost.
- Leucippus fl. 5th c. BC
With Democritus, the co-founder of atomism — reality as atoms and the void.
- Zeno of Elea c. 495–430 BC
Parmenides' paradox-machine: Achilles, the arrow, and the impossibility of motion.
- Empedocles c. 494–434 BC
Four elements, two forces, and a legend that he leapt into Etna to prove himself a god.
- Protagoras c. 490–420 BC
The first sophist: man is the measure of all things — and virtue can be taught, for a fee.
- Gorgias c. 485–380 BC
The sophist who argued nothing exists, and that rhetoric moves souls more than truth does.
- Philolaus c. 470–385 BC
Pythagorean who first wrote the doctrine down and taught that the Earth moves.
- Socrates c. 470–399 BC
Wrote nothing, questioned everyone, and died for it — philosophy turns on his example.
- Aspasia c. 470–400 BC
Milesian rhetorician in Athens whose salon taught Socrates and Pericles to speak.
- Prodicus c. 465–395 BC
Sophist of precise language whose 'Choice of Heracles' made ethics a parable.
- Democritus c. 460–370 BC
Father of atomism: reality is atoms and void, and even pleasure has a calculus.
- Antisthenes c. 446–366 BC
Socrates' hardest-reading student and the original Cynic — virtue needs nothing else.
- Aristippus c. 435–356 BC
Socrates' hedonist: enjoy the moment, rule your pleasures, never be ruled by them.
- Xenophon c. 430–354 BC
Soldier-historian whose Socratic memoirs preserved a Socrates Plato never showed.
- Plato c. 428–348 BC
Turned Socrates into dialogues and eternal Forms into the West's default picture of reality.
- Diogenes of Sinope c. 404–323 BC
The Cynic in the jar who heckled convention and lived philosophy as performance art.
- Aristotle 384–322 BC
Systematized everything from logic to biology; the framework medieval thought worked inside for 1,500 years.
- Mencius c. 372–289 BC
Argued human nature is good and that a ruler who loses the people loses the mandate.
- Theophrastus c. 371–287 BC
Aristotle's successor who made botany a science and characters a genre.
- Zhuangzi c. 369–286 BC
Daoist trickster-philosopher of the butterfly dream and the usefulness of the useless.
- Crates of Thebes c. 365–285 BC
The Cynic who gave away a fortune to live in poverty — and married the like-minded Hipparchia.
- Pyrrho c. 360–270 BC
Founded Pyrrhonian skepticism: suspend judgement on everything and let appearances carry you to calm.
- Hipparchia c. 350–280 BC
Married into Cynicism, debated philosophers in public, and refused every convention open to women.
- Epicurus 341–270 BC
Taught that the good life is modest pleasure, friendship, and freedom from fear of gods and death.
- Zeno of Citium c. 334–262 BC
Founder of Stoicism: virtue alone is good, and wisdom means living according to nature.
- Cleanthes c. 330–230 BC
Stoic successor of Zeno: a former boxer who hymned Zeus and paid for philosophy by carrying water.
- Timon of Phlius c. 320–230 BC
Pyrrho's satirist disciple who carried skepticism into the Hellenistic schools.
- Xunzi c. 310–235 BC
Confucian who held nature bad and ritual the tool that civilizes it.
- Chrysippus c. 279–206 BC
Stoicism's second founder — wrote hundreds of volumes giving the porch its logic.
- Panaetius c. 185–110 BC
Middle Stoic who softened Zeno's rigor and shaped Cicero's De officiis.
- Posidonius c. 135–51 BC
Stoic polymath of Rhodes — astronomy, history, and the passions as the soul's disease.
- Cicero 106–43 BC
Rome's great translator of Greek philosophy — the lens through which the Middle Ages met antiquity.
- Lucretius c. 99–55 BC
Turned Epicurean physics into the epic De rerum natura — atoms, void, and no fear of gods.
- Philo of Alexandria c. 20 BC – AD 50
Read the Hebrew Bible through Plato's Forms — the bridge from Athens to the Church.
- Seneca c. 4 BC – AD 65
Stoic playwright and reluctant courtier whose letters made philosophy a daily practice.
- Musonius Rufus AD 20–101
The Roman Socrates who taught Stoicism as something you practice, not recite.
- Plutarch AD 46–119
His Parallel Lives taught Rome's readers — and Renaissance princes — what character is.
- Epictetus AD 50–135
Born enslaved, taught that some things are up to us and most things are not.
- Marcus Aurelius AD 121–180
Emperor and Stoic whose private notebooks became the Meditations.
- Nagarjuna c. 150–250
Founder of Madhyamaka: emptiness is not nothing, it is dependent arising.
- Sextus Empiricus c. 160–210
Pyrrhonian skeptic whose Outlines taught Europe how to doubt systematically.
- Plotinus AD 204–270
Recast Plato as a mysticism of the One — the engine behind later Christian and Islamic thought.
- Porphyry c. 234–305
Plotinus' editor; his Isagoge on predication was logic's textbook for a millennium.
- Iamblichus c. 245–325
Neoplatonist theurgist who turned Plotinus' ascent into ritual and divine names.