Medieval philosophers
A list with every line of influence
Church Fathers, the Islamic and Jewish Aristotelians, the scholastics and the first Renaissance humanists: a thousand years of arguing faith and reason into one system.
58 thinkers of the medieval period on this map, from Irenaeus (c. 130–202) to Erasmus (1466–1536). 66 lines of influence stay inside the era, 21 arrive from other eras and 10 lead out of it.
The most influential medieval philosophers
Ranked by how many thinkers on the map draw on them directly. See the full ranking.
- Avicenna 9 direct followers
- Augustine of Hippo 8 direct followers
- Pseudo-Dionysius 5 direct followers
- Averroes 3 direct followers
- Maimonides 3 direct followers
- Al-Kindi 2 direct followers
- Al-Farabi 2 direct followers
- Albertus Magnus 2 direct followers
All 58 medieval philosophers, by birth
- Irenaeus c. 130–202
Bishop who answered Gnostic dualism with one creation and one recapitulating Christ.
- Clement of Alexandria c. 150–215
First Christian thinker to treat Greek philosophy as a schoolmaster toward Christ.
- Tertullian c. 155–220
Latin apologist: Jerusalem has nothing to do with Athens — yet gave theology its vocabulary.
- Origen c. 185–254
Allegorist of the Bible and father of systematic theology — brilliant, condemned, endless.
- Gregory of Nyssa c. 335–395
Cappadocian mystic of the soul's endless ascent into God's infinity.
- Augustine of Hippo AD 354–430
Fused Platonism with Christianity; memory, time, and will were never the same.
- Hypatia c. 355–415
Alexandria's Neoplatonist mathematician — lynched by a mob, immortal as a martyr of learning.
- Synesius of Cyrene c. 373–414
Hypatia's student who became a philosopher-bishop — and kept her letters.
- Proclus AD 412–485
The last great Neoplatonist system-builder, whose Elements fed Christian and Islamic metaphysics.
- Boethius AD 477–524
His Consolation, written awaiting execution, handed logic to the early medieval West.
- Pseudo-Dionysius c. 5th–6th c.
Anonymous mystic of apophatic theology whose celestial hierarchy ruled medieval thought.
- Maximus the Confessor c. 580–662
Byzantine theologian of the will and deification, mutilated for opposing monotheletism.
- John of Damascus c. 675–749
Last Church Father: summed orthodoxy and defended icons against the iconoclasts.
- Adi Shankara 788–820
Systematizer of Advaita Vedanta: the self is Brahman and the world is maya.
- Al-Kindi c. 801–873
The first Islamic philosopher: reconciled Aristotle with revelation and founded Arabic logic.
- John Scotus Eriugena c. 815–877
Ireland's gift to the ninth century: nature read as the self-unfolding of God.
- Al-Razi c. 865–925
Persian physician-philosopher who doubted prophecy and trusted reason and experience.
- Al-Farabi c. 872–950
The Second Teacher after Aristotle — joined Plato's city and Muhammad's community.
- Saadia Gaon 882–942
First systematic Jewish philosopher: reason and revelation as twin sources of truth.
- Avicenna 980–1037
Persian polymath whose synthesis of Aristotle and Neoplatonism ruled both Islamic and Latin philosophy.
- Ramanuja 1017–1137
Qualified non-dualist for whom devotion, not bare knowledge, reaches the personal God.
- Solomon ibn Gabirol c. 1021–1058
Neoplatonist poet whose Fountain of Life reached the Latin West as Avicebron.
- Anselm of Canterbury 1033–1109
Faith seeking understanding — and author of the famous ontological argument for God.
- Al-Ghazali c. 1058–1111
The theologian who dismantled the philosophers' certainty and rebuilt faith on experience.
- Peter Abelard 1079–1142
The dialectician whose love letters and logic scandalized twelfth-century Paris.
- Avempace c. 1085–1138
Andalusian commentator who mapped the solitary intellect's union with the active mind.
- Peter Lombard c. 1096–1160
His Sentences became the textbook every medieval theologian had to lecture on.
- Hildegard of Bingen 1098–1179
Abbess, composer, and visionary who wrote theology from a living light.
- Ibn Tufail c. 1105–1185
His Hayy ibn Yaqdhan showed a castaway reason his way to God without scripture.
- John of Salisbury c. 1120–1180
Humanist churchman who mocked empty logic and wrote politics as prudence.
- Averroes 1126–1198
The Commentator whose readings of Aristotle reignited philosophy in Latin Europe.
- Maimonides 1138–1204
Showed how Jewish scripture and Aristotelian reason could share one house.
- Suhrawardi 1154–1191
Founder of illuminationist philosophy: being is light, and knowledge is presence.
- Ibn Arabi 1165–1240
The Greatest Master of Sufi metaphysics: the unity of being and the perfect human.
- Robert Grosseteste c. 1175–1253
Bishop-scientist of Oxford who married light-metaphysics to experiment.
- Albertus Magnus c. 1200–1280
Universal Doctor — Aquinas' teacher and the first to read Aristotle through fresh observation.
- Dōgen 1200–1253
Zen master of just sitting: practice and enlightenment are one, time is being.
- Henry of Ghent c. 1217–1293
Subtle Augustinian whose disputes with Aquinas set up Duns Scotus' synthesis.
- Roger Bacon c. 1219–1292
The Wonderful Doctor who demanded mathematics and experiment against blind authority.
- Bonaventure 1221–1274
Franciscan Seraphic Doctor who read creation as a book of traces leading to God.
- Thomas Aquinas 1225–1274
The great synthesis of Aristotle and Christian theology — natural law and the Five Ways.
- Ramon Llull c. 1232–1315
Mallorcan visionary who built a mechanical logic to prove the faith to all comers.
- Siger of Brabant c. 1240–1284
Radical Aristotelian of Paris whose unorthodox readings earned condemnation and legend.
- Dietrich von Freiberg c. 1250–1310
Dominican physicist-theologian whose theory of light and intellect braced Eckhart's mysticism.
- Meister Eckhart c. 1260–1328
German mystic of the ground of the soul: the eye with which I see God is God's eye.
- Duns Scotus c. 1266–1308
The Subtle Doctor who sharpened scholastic logic until it could cut itself free.
- William of Ockham c. 1287–1347
Nominalist razor in hand, he pared universals away and split faith from reason.
- Gersonides 1288–1344
Jewish Aristotelian who limited God's knowledge to make room for human freedom.
- Jean Buridan c. 1300–1361
Nominalist rector of Paris whose impetus theory broke with Aristotle's physics.
- Nicole Oresme c. 1320–1382
Bishop-mathematician who graphed motion and let the Earth spin in thought.
- Ibn Khaldun 1332–1406
Invented the philosophy of history and sociology in the Muqaddimah's cycles of dynasties.
- Julian of Norwich c. 1342–1416
Anchoress whose revelations saw sin as no shame and all things held in love.
- Christine de Pizan c. 1364–1430
First professional woman of letters, who wrote the City of Ladies against misogyny.
- Nicholas of Cusa 1401–1464
Learned ignorance: God as the coincidence of opposites, glimpsed by a mathematician-bishop.
- Lorenzo Valla c. 1407–1457
Renaissance humanist whose philology exposed the Donation of Constantine as a forgery.
- Marsilio Ficino 1433–1499
Translated Plato for the Renaissance and ran the Florentine Academy as a revival of the soul.
- Pico della Mirandola 1463–1494
Wrote the Oration on the Dignity of Man at twenty-three — 900 theses and bravado for the ages.
- Erasmus 1466–1536
Prince of the humanists: the philosophy of Christ, and the folly of learned pedantry.