600–500 BC

• Thales of Miletus (c. 624 – 546 BC). Of the Milesian school. Believed that all was made of water.
• Pherecydes of Syros (c. 620 – c. 550 BC). Cosmologist.
• Anaximander of Miletus (c. 610 – 546 BC). Of the Milesian school. Famous for the concept of Apeiron, or "the boundless".
• Anaximenes of Miletus (c. 585 – 525 BC). Of the Milesian school. Believed that all was made of air.
• Pythagoras of Samos (c. 580 – c. 500 BC). Of the Ionian School. Believed the deepest reality to be composed of numbers, and that souls are immortal.
• Xenophanes of Colophon (c. 570 – 480 BC). Advocated monotheism. Sometimes associated with the Eleatic school.
• Heraclitus of Ephesus (c. 535 – c. 475 BC). Of the Ionians. Emphasized the mutability of the universe.
• Epicharmus of Kos (c. 530 – 450 BC). Comic playwright and moralist.
• Parmenides of Elea (c. 515 – 450 BC). Of the Eleatics. Reflected on the concept of Being.
• Anaxagoras of Clazomenae (c. 500 – 428 BC). Of the Ionians. Pluralist.

400 BC

• Empedocles (492 – 432 BC). Eclectic cosmogonist. Pluralist.
• Zeno of Elea (c. 490 – 430 BC). Of the Eleatics. Known for his paradoxes.
• Gorgias. (c. 483 – 375 BC). Sophist. Early advocate of solipsism.
• Protagoras of Abdera (c. 481 – 420 BC). Sophist. Early advocate of relativism.
• Leucippus of Miletus (First half of the 5th century BC). Founding Atomist, Determinist.
• Socrates of Athens (c. 470 – 399 BC). Emphasized virtue ethics. In epistemology, understood dialectic to be central to the pursuit of truth.
• Prodicus of Ceos (c. 465 – c. 395 BC). Sophist.
• Critias of Athens (c. 460 – 413 BC). Atheist writer and politician.
• Hippias (Middle of the 5th century BC). Sophist.
• Democritus of Abdera (c. 450 – 370 BC). Founding Atomist.
• Melissus of Samos. (c. 470 - 430 BC). Eleatic.
• Cratylus. Follower of Heraclitus.
• Antisthenes (c. 444 – 365 BC). Founder of Cynicism. Pupil of Socrates.
• Aristippus of Cyrene (c. 440 – 366 BC). A Cyrenaic. Advocate of ethical hedonism.
• Xenophon (c. 427 – 355 BC). Historian.
• Plato (c. 427 – 347 BC). Famed for view of the transcendental forms. Advocated polity governed by philosophers.
• Diogenes of Apollonia (c. 425 – c 350 BC). Cosmologist.
• Speusippus (c. 408 – 339 BC). Nephew of Plato.
• Eudoxus of Cnidus (c. 408 – 355 BC). Pupil of Plato.
• Diogenes of Sinope (c. 404 – 323 BC). Cynic.

300–200 BC

• Xenocrates (c. 396 – 314 BC). Disciple of Plato.
• Aristotle (c. 384 – 322 BC). A polymath whose works ranged across all philosophical fields.
• Theophrastus (c. 371 – c. 287 BC). Peripatetic.
• Pyrrho of Elis (c. 360 – 270 BC). Skeptic.
• Epicurus (c. 341 – 270 BC). Materialist Atomist, hedonist. Founder of Epicureanism
• Strato of Lampsacus (c. 340 – c. 268 BC). Atheist, Materialist.
• Zeno of Citium (c. 333 – 264 BC). Founder of Stoicism.
• Aristarchus of Samos (c. 310 – c. 230 BC). Astronomer.
• Euclid (fl. 300 BC). Mathematician, founder of geometry.
• Archimedes (c. 287 – c. 212 BC). Mathematician and inventor.
• Chrysippus of Soli (c. 280 – 207 BC). Major figure in Stoicism.
• Eratosthenes (c. 276 BC – c. 195/194 BC). Geographer and mathematician.
• Carneades (c. 214 – 129 BC). Academic skeptic. Understood probability as the purveyor of truth.
• Hipparchus of Nicaea (c. 190 – c. 120 BC). Astronomer and mathematician, founder of trigonometry.

100 BC–100 AD

• Cicero (c. 106 BC – 43 BC) Skeptic. Political theorist.
• Lucretius (c. 99 BC – 55 BC). Epicurean.
• Quintilian (c. 35 AD – c. 100 AD). Rhetorician and teacher.
• Philo (c. 20 BC – 50 AD). Believed in the allegorical method of reading texts.
• Seneca the Younger (c. 4 BC – 65 AD). Stoic.
• Jesus of Nazareth (c. 1 – 30 or 33 AD) the founder of Christianity.
• Hero of Alexandria (c. 10 – c. 70). Engineer.
• Plutarch (c. 46 – 119).
• Epictetus (c. 55 – 135). Stoic. Emphasized ethics of self–determination.

100–400

• Marcus Aurelius (121 – 180). Stoic.
• Sextus Empiricus (fl. during the 2nd and possibly the 3rd centuries AD). Skeptic, Pyrrhonist.
• Plotinus (c. 205 – 270). Neoplatonist. Had a holistic metaphysics.
• Porphyry (c. 232 – 304). Student of Plotinus.
• Iamblichus of Syria (c. 245 – 325). Late neoplatonist. Espoused theurgy.
• Augustine of Hippo (c. 354 – 430). Neoplatonist. Original Sin. Church father.
• Proclus (c. 412 – 485). Neoplatonist.
• Boethius (c. 480–524).
• John Philoponus (c. 490–570).

500–900

• Pseudo-Dionysius the Areopagite (c. 500).
• John of Damascus (c. 680-750).
• Al-Kindi (c. 801 – 873). Major figure in Islamic philosophy. Influenced by Neoplatonism.
• Abbas ibn Firnas (809–887). Polymath.
• John the Scot (c. 815 – 877). neoplatonist, pantheist.
• al–Faràbi (c. 870 – 950). Major Islamic philosopher. Neoplatonist.
• al-Razi (c. 865 – 925). Rationalist. Major Islamic philosopher. Held that God creates universe by rearranging pre–existing laws.
• Saadia Gaon (c. 882 – 942). Jewish Philosopher
• Al-Biruni (c. 973 – 1050). Islamic polymath.
• Ibn Sina (Avicenna) (c. 980–1037). Islamic philosopher.
• Ibn Hazm (7 November 994 – 15 August 1064)

1000–1100

• Ibn Gabirol (Avicebron) (c. 1021–1058). Jewish philosopher.
• Anselm (c. 1034–1109). Christian philosopher. Produced ontological argument for the existence of God.
• Omar Khayyam (c. 1048–1131). Islamic philosopher. Agnostic. Mathematician. Philosophical poet, one of the 5 greatest Iranian Poets.
• Al-Ghazali (c. 1058–1111). Islamic philosopher. Mystic.
• Yehudah HaLevi (c. 1075- 1141). Jewish poet, physician and philosopher.

  [Peter Abelard]] (c. 1079–1142). Scholastic philosopher. Dealt with the problem of universals.

• Peter Lombard (c. 1100–1160). Scholastic.
• Ibn Tufail (c. 1105 – 1185)
• Averroes (Ibn Rushd, "The Commentator") (c. 1126–December 10, 1198). Islamic philosopher.
• Maimonides (c. 1135–1204). Jewish philosopher.
• Fakhr al-Din al-Razi (1149 or 1150 – 1209)
• Suhrawardi (c. 1154–1191). Major Islamic philosopher.
• Ibn Arabi (1165–1240). Andalusian Muslim philosopher, mystic, poet, and scholar. Founder of Akbarism, one of the major current of later Islamic philosophy.
• Fibonacci (c. 1170–c. 1250), mathematician.
• Robert Grosseteste (c. 1175–1253).
• Francis of Assisi (c. 1182–1226). Ascetic.
• Albert the Great (Albertus Magnus) (c. 1193–1280). Early Empiricist.

1200–1300

• Roger Bacon (c. 1214–1294). Empiricist, mathematician.
• Thomas Aquinas (c. 1221–1274). Aristotelian.
• Bonaventure (c. 1225–1274). Franciscan.
• Ramon Llull (c. 1232–1315) Spanish philosopher
• Meister Eckhart (c. 1260–1328). mystic.
• Ibn Taymiyya (c. 1263-1328) Islamic scholar, jurist and philosopher
• Dante Alighieri (c. 1265 – 1321).
• Duns Scotus (c. 1266–1308). Franciscan, Scholastic, Original Sin.
• Marsilius of Padua (c. 1270–1342). Understood chief function of state as mediator.
• William of Ockham (c. 1288–1348). Franciscan. Scholastic. Nominalist, creator of Ockham's razor.
• Jean Buridan (c. 1300–1358). Nominalist.
• John Wycliffe (c. 1320–1384).
• Nicole Oresme (c. 1320–5 – 1382). Made contributions to economics, science, mathematics, theology and philosophy.
• Ibn Khaldun (1332 – 1406).
• Hasdai Crescas (c. 1340 – c. 1411). Jewish philosopher.
• Gemistus Pletho (c. 1355 – 1452/1454). Late Byzantine scholar of neoplatonic philosophy.

1400

• Nicholas of Cusa (1401–1464). Christian philosopher.
• Lorenzo Valla (1407–1457). Humanist, critic of scholastic logic.
• Marsilio Ficino (1433–1499). Christian Neoplatonist, head of Florentine Academy and major Renaissance Humanist figure. First translator of Plato's complete extant works into Latin.
• Pico della Mirandola (1463–1494). Renaissance humanist.
• Desiderius Erasmus (1466–1536). Humanist, advocate of free will.
• Niccolò Machiavelli (1469–1527). Political realism.
• Nicolaus Copernicus (1473–1543). Scientist, whose works affected Philosophy of Science.
• Sir Thomas More (1478–1535). Humanist, created term "utopia".
• Martin Luther (1483–1546). Major Western Christian theologian.

1500

• John Calvin (1509–1564). Major Western Christian theologian.
• Michel de Montaigne (1533–1592). Humanist, skeptic.
• Giordano Bruno (1548–1600). Advocate of heliocentrism.
• Francisco Suarez (1548–1617). Politically proto–liberal.
• Francis Bacon (1561–1626). Empiricist.
• Galileo Galilei (1564–1642). Heliocentrist.
• Johannes Kepler (1571–1630). Scientist, whose works affected Philosophy of Science.
• Molla-Sadra (1572–1640). Major Islamic philosopher.
• Hugo Grotius (1583–1645). Natural law theorist.
• Marin Mersenne (1588–1648). Cartesian.
• Robert Filmer (1588–1653). Absolutist, monarchist, patrimonialist. Divine right of kings.
• Thomas Hobbes (1588–1679). Advocate of extensive government power, social contract theorist, materialist.
• Pierre Gassendi (1592–1655). Mechanicism. Empiricist.
• René Descartes (1596–1650). Heliocentrism, mind-body dualism, rationalism.

1600

• Baltasar Gracián (1601–1658). Spanish Catholic philosopher
• François de La Rochefoucauld (1613-1680).
• Blaise Pascal (1623–1662). Physicist, scientist. Noted for Pascal's wager.
• Margaret Cavendish (1623–1673). Materialist, feminist.
• Robert Boyle (1627–1691).
• Jacques-Bénigne Bossuet (1627 – 1704).
• Baruch Spinoza (1632–1677). Rationalism.
• Samuel von Pufendorf (1632–1694). Social contract theorist.
• John Locke (1632–1704). Major Empiricist. Political philosopher.
• Nicolas Malebranche (1638–1715). Cartesian.
• Isaac Newton (1643–1727).
• John Flamsteed (1646 – 1719). Astronomer.
• Gottfried Leibniz (1646–1716). Co-inventor of calculus.
• Pierre Bayle (1647–1706). Pyrrhonist.
• Jean Meslier (1664–1729). Atheist Priest.
• Giambattista Vico (1668–1744).
• John Toland (1670–1722).
• Anthony Ashley-Cooper (1671–1713).
• Dimitrie Cantemir (1674-1723)
• Christian Wolff (1679–1754). Determinist, rationalist.
• George Berkeley (1685–1753). Idealist, empiricist.
• Charles de Secondat, Baron de Montesquieu (1689–1755). Skeptic, humanist.
• Francis Hutcheson (1694–1746). Proto–utilitarian.
• Voltaire (1694–1778). Advocate for freedoms of religion and expression.

1700

• Jonathan Edwards (1703–1758). American philosophical theologian.
• David Hartley (1705–1757).
• Julien La Mettrie (1709–1751). Materialist, genetic determinist.
• Thomas Reid (1710–1796). Member of Scottish Enlightenment, founder of Scottish Common Sense philosophy.
• David Hume (1711–1776). Empiricist, skeptic.
• Jean–Jacques Rousseau (1712–1778). Social contract political philosopher.
• Denis Diderot (1713–1784).
• Alexander Gottlieb Baumgarten (1714–1762).
• Claude Adrien Helvétius (1715–1771). Utilitarian.
• Etienne de Condillac (1715–1780).
• Jean d'Alembert (1717–1783).
• Baron d'Holbach (1723–1789). Materialist, atheist.
• Adam Smith (1723–1790). Economic theorist, member of Scottish Enlightenment.
• Immanuel Kant (1724–1804). Major contributions in nearly every field of philosophy, especially metaphysics, epistemology, ethics, and aesthetics.
• Moses Mendelssohn (1729–1786). Member of the Jewish Enlightenment.
• Gotthold Ephraim Lessing (1729–1781).
• Edmund Burke (1729–1797). Conservative political philosopher.
• Johann Georg Hamann (1730–1788).
• Cesare Beccaria (1738–1794). Italian criminologist, jurist, and philosopher from the Age of Enlightenment.
• Thomas Jefferson (1743–1826). Liberal political philosopher.
• Friedrich Heinrich Jacobi (1743–1819).
• Johann Gottfried von Herder (1744–1803).
• Jean-Baptiste Lamarck (1744–1829). Early evolutionary theorist.
• Jeremy Bentham (1748–1832). Utilitarian, hedonist.
• Pierre-Simon Laplace (1749–1827). Determinist.
• Joseph de Maistre (1753–1821) Conservative
• Louis de Bonald (1754 – 1840).
• William Godwin (1756–1836). Anarchist, utilitarian.
• Mary Wollstonecraft (1759–1797). Feminist.
• Friedrich Schiller (1759–1805).
• Comte de Saint-Simon (1760–1825). Socialist.
• Johann Gottlieb Fichte (1762–1814).
• Madame de Staël (1766–1817).
• Friedrich Schleiermacher (1768–1834). Hermeneutician.
• Friedrich Hölderlin (1770–1843). Poet and philosopher.
• G. W. F. Hegel (1770–1831). German idealist.
• Samuel Taylor Coleridge (1772 – 1834).
• James Mill (1773–1836). Utilitarian.
• F. W. J. von Schelling (1775–1854). German idealist.
• Bernard Bolzano (1781–1848).
• Arthur Schopenhauer (1788–1860). Pessimism, Critic, Absurdist.
• Thomas Carlyle (1795 – 1881).
• Sojourner Truth (c. 1797–1883). Egalitarian, abolitionist.
• Auguste Comte (1798–1857). Social philosopher, positivist.

1800–1850

• Ralph Waldo Emerson (1803–1882). Transcendentalist, abolitionist, egalitarian, humanist.
• Ludwig Feuerbach (1804–1872).
• Alexis de Tocqueville (1805–1859).
• Max Stirner (1806–1856). Anarchist.
• Augustus De Morgan (1806–1871). Logician.
• John Stuart Mill (1806–1873). Utilitarian.
• Pierre-Joseph Proudhon (1809–1865). Anarchist.
• Harriet Taylor Mill (1807–1858). Egalitarian, utilitarian.
• Charles Darwin (1809–1882). Scientist, whose works affected Philosophy of Science.
• Margaret Fuller (1810–1850). Egalitarian.
• Søren Kierkegaard (1813–1855). Existentialist.
• Mikhail Bakunin (1814–1876). Revolutionary anarchist.
• Elizabeth Cady Stanton (1815–1902). Egalitarian.
• Henry David Thoreau (1817–1862). Transcendentalist, pacifist, abolitionist.
• Karl Marx (1818–1883). Socialist, formulated historical materialism.
• Friedrich Engels (1820–1895). Egalitarian, dialectical materialist.
• Herbert Spencer (1820–1903). Nativism, libertarianism, social Darwinism.
• Susan B. Anthony (1820–1906). Feminist.
• Ernest Renan (1823 – 1892).
• Hippolyte Taine (1828 – 1893).
• Wilhelm Dilthey (1833–1911).
• T.H. Green (1836–1882). British idealist.
• Henry Sidgwick (1838–1900). Rationalism, utilitarianism.
• Ernst Mach (1838–1916). Philosopher of science, influence on logical positivism.
• Franz Brentano (1838–1917). Phenomenologist.
• Charles Sanders Peirce (1839–1914). Pragmatist.
• Philipp Mainländer (1841 — 1876). Pessimist.
• William James (1842–1910). Pragmatism, Radical empiricism.
• Hermann Cohen (1842-1918). Neo-Kantianism, Jewish philosophy.
• Peter Kropotkin (1842–1921). Anarchist communism.
• Friedrich Nietzsche (1844–1900). Naturalistic philosopher, influence on Existentialism.
• W. K. Clifford (1845–1879). Evidentialist.
• F. H. Bradley (1846–1924). Idealist.
• Vilfredo Pareto (1848–1923). Social philosopher.
• Gottlob Frege (1848–1925). Influential analytic philosopher.

1850–1900

• Henri Poincaré (1854–1912).
• Josiah Royce (1855–1916). Idealist.
• Sigmund Freud (1856–1939). Neurologist, founded psychoanalysis, posited structural model of mind.
• Ferdinand de Saussure (1857–1913). Linguist, Semiotics, Structuralism.
• Émile Durkheim (1858–1917). Social philosopher.
• Giuseppe Peano (1858–1932).
• Edmund Husserl (1859–1938). Founder of phenomenology.
• Henri Bergson (1859–1941). Vitalism.
• John Dewey (1859–1952). Pragmatism.
• Jane Addams (1860–1935). Pragmatist.
• Pierre Duhem (1861–1916).
• Rudolf Steiner (1861–1925).Anthroposophy
• Alfred North Whitehead (1861–1947). Process Philosophy, Mathematician, Logician, Philosophy of Physics, Panpsychism.
• George Herbert Mead (1863–1931). Pragmatism, symbolic interactionist.
• George Santayana (1863–1952). Pragmatism, naturalism; known for many aphorisms.
• Max Weber (1864–1920). Social philosopher.
• Miguel de Unamuno (1864–1936).
• Benedetto Croce (1866–1952).
• Emma Goldman (1869–1940). Anarchist.
• Rosa Luxemburg (1870–1919). Marxist political philosopher.
• Bertrand Russell (1872–1970). Analytic philosopher, nontheist, influential.
• G. E. Moore (1873–1958). Common sense theorist, ethical non–naturalist.
• Nikolai Berdyaev (1874–1948). Existentialist.
• Ernst Cassirer (1874–1945). Neo-Kantianism.
• Max Scheler (1874–1928). German phenomenologist.
• Carl Jung (1875–1961). Psychoanalyst, metaphysicst.
• Giovanni Gentile (1875–1944). Idealist and fascist philosopher.
• Martin Buber (1878–1965). Jewish philosopher, existentialist.
• Jan Łukasiewicz (1878-1956). Logician.
• Oswald Spengler (1880 – 1936).
• Ludwig von Mises (1881-1973).
• Pierre Teilhard de Chardin (1881–1955). Christian evolutionist.
• Hans Kelsen (1881–1973). Legal positivist.
• Moritz Schlick (1882–1936). Founder of Vienna Circle, logical positivism.
• Otto Neurath (1882–1945). Member of Vienna Circle.
• Nicolai Hartmann (1882–1950).
• Jacques Maritain (1882–1973). Human rights theorist.
• José Ortega y Gasset (1883–1955). Philosopher of History.
• Karl Jaspers (1883–1969). Existentialist.
• Gaston Bachelard (1884–1962).
• Georg Lukács (1885–1971). Marxist philosopher.
• Karl Barth (1886–1968).
• René Guénon (1886 – 1951).
• Carl Schmitt (1888 – 1985).
• Ludwig Wittgenstein (1889–1951). Analytic philosopher, philosophy of language, philosophy of mind, influential.
• Gabriel Marcel (1889–1973). Christian existentialist.
• Martin Heidegger (1889–1976). Phenomenologist.
• Antonio Gramsci (1891–1937). Marxist philosopher.
• Rudolf Carnap (1891–1970). Vienna Circle. Logical positivist.
• Walter Benjamin (1892–1940). Marxist. Philosophy of language.
• Max Horkheimer (1895-1973). Frankfurt School.
• Ernst Jünger (1895 – 1998).
• Susanne Langer (1895–1985).
• Georges Bataille (1897–1962).
• Julius Evola (1898 – 1974).
• Herbert Marcuse (1898–1979). Frankfurt School.
• C. S. Lewis (1898 – 1963).
• Friedrich Hayek (1899 – 1992).
• Leo Strauss (1899–1973). Political Philosopher.

1900–1950

• Gilbert Ryle (1900–1976).
• Hans-Georg Gadamer (1900–2002). Hermeneutics.
• Jacques Lacan (1901–1981). Structuralism.
• Henri Lefebvre (1901-1991). Marxist philosopher
• Alfred Tarski (1901–1983). Created T–Convention in semantics.
• Michael Oakeshott (1901 – 1990).
• Karl Popper (1902–1994). Falsificationist.
• Mortimer Adler (1902–2001).
• Eric Hoffer (1902-1983)
• Frank P. Ramsey (1903–1930). Proposed redundancy theory of truth.
• Theodor Adorno (1903–1969). Frankfurt School.
• Joseph Campbell (1904-1987) comparative mythology and comparative religion
• Raymond Aron (1905 – 1983).
• Jean-Paul Sartre (1905–1980). Humanism, existentialism.
• Ayn Rand (1905–1982). Objectivist, Individualist.
• Kurt Gödel (1906–1978). Vienna Circle.
• Emmanuel Levinas (1906–1995).
• Hannah Arendt (1906–1975). Political Philosophy.
• H.L.A. Hart (1907–1992). Legal positivism.
• Maurice Merleau-Ponty (1908–1961). Influential French phenomenologist.
• Simone de Beauvoir (1908–1986). Existentialist, feminist.
• Willard van Orman Quine (1908–2000).
• Isaiah Berlin (1909–1997), historian of ideas.
• Simone Weil (1909–1943).
• A.J. Ayer (1910–1989). Logical positivist, emotivist.
• J.L. Austin (1911–1960).
• Marshall McLuhan (1911–1980). Media theory.
• Alan Turing (1912–1954). Functionalist in philosophy of mind.
• Wilfrid Sellars (1912–1989). Influential American philosopher
• Albert Camus (1913–1960). Absurdist.
• Paul Ricœur (1913–2005). French philosopher and theologian.
• Roland Barthes (1915–1980). French semiotician and literary theorist.
• Donald Davidson (1917–2003). Coherentist philosophy of mind.
• Louis Althusser (1918–1990). Structural Marxist.
• Russell Kirk (1918 – 1994).
• Aleksandr Solzhenitsyn (1918 – 2008).
• M. Bunge (1919–2020).
• P. F. Strawson (1919–2006). Ordinary language philosophy.
• John Rawls (1921–2002). Liberal.
• Thomas Kuhn (1922–1996). Author of The Structure of Scientific Revolutions.
• Zygmunt Bauman (1925–2017). Polish sociologist and philosopher, who introduced the idea of liquid modernity.
• Frantz Fanon (1925–1961). Postcolonialism
• Gilles Deleuze (1925–1995). Post-structuralism
• Michel Foucault (1926–1984). Structuralism, Post-structuralism, Postmodernism, and the concept of biopolitics.
• Hilary Putnam (1926–2016). Neopragmatism.
• Noam Chomsky (born 1928). Linguist.
• Robert M. Pirsig (1928–2017). Introduced the Methaphysics of Quality. MOQ incorporates facets of East Asian philosophy, pragmatism and the work of F. S. C. Northrop.
• Bernard Williams (1929–2003). Moral philosopher.
• Jean Baudrillard (1929–2007). Postmodernism, Post-structuralism.
• Jürgen Habermas (born 1929). Discourse ethics.
• Jaakko Hintikka (1929–2015).
• Alasdair MacIntyre (born 1929). Aristotelian.
• Hubert Lederer Dreyfus (1929-2017)
• Allan Bloom (1930–1992). Political Philosopher.
• Pierre Bourdieu (1930–2002). French psychoanalytic sociologist and philosopher.
• Jacques Derrida (1930–2004). Deconstruction.
• Thomas Sowell (born 1930). Political Philosopher, capitalist.
• Guy Debord (1931–1994). French Marxist philosopher.
• Richard Rorty (1931–2007). Pragmatism, Postanalytic philosophy.
• Charles Taylor (born 1931). Political philosophy, Philosophy of Social Science, and Intellectual History
• John Searle (born 1932). Direct realism.
• Alvin Plantinga (born 1932). Reformed epistemology, Philosophy of Religion.
• Jerry Fodor (1935–2017).
• Thomas Nagel (born 1937). Qualia theory.
• Alain Badiou (born 1937).
• Robert Nozick (1938–2002). Libertarian.
• Tom Regan (1938–2017). Animal rights philosopher.
• Saul Kripke (1940-2022). Modal semantics.
• Jean-Luc Nancy (1940-2021) French philosopher.
• David K. Lewis (1941–2001). Modal realism.
• Derek Parfit (1942–2017).
• Giorgio Agamben (born 1942). state of exception, form–of–life, and homo sacer.
• Gayatri Chakravorty Spivak (born 1942). Postcolonialism, Feminism, Literary theory.
• Roger Scruton (1944-2020). Traditionalist conservatism.
• Peter Singer (born 1946) Moral philosopher on animal liberation, effective altruism.
• Camille Paglia (born 1947).
• Martha Nussbaum (born 1947). Political philosopher.
• Hans-Hermann Hoppe (born 1949).
• Slavoj Žižek (born 1949). German Idealism, Marxism and Lacanian psychoanalysis.
• Ken Wilber (born 1949). Integral Theory.

1950–2000

• Cornel West (born 1953).
• Judith Butler (born 1956). Poststructuralist, feminist, queer theory.
• Alexander Wendt (born 1958). Social constructivism.
• Michel Onfray (born 1959).
• David Benatar (born 1966). Antinatalist.
• Alenka Zupančič (born 1966). German Idealism, Nietzsche, Lacanian Psychoanalysis.
• Alain de Botton (born 1969).
• Nick Bostrom (born 1973).