Philosophers, listed alphabetically
A Peter Abelard, (1079-1142) Mortimer Adler, (1902-2001) Theodor Adorno, (1903-1969) Albertus Magnus (a.k.a. Saint Albert the Great; Albert of Cologne) Rogers Albritton Anacharsis Anaxagoras, (died 462 BC) Anaximander, (609 BC,610 BC-c. 547 BC) Anaximenes of Miletus G. E. M. Anscombe, (1918-2001) Anselm, (1034-1109) Thomas Aquinas, (1225-1274) Hannah Arendt, (1906-1975) Aristotle, (384 BC-322 BC) Augustine of Hippo Marcus Aurelius, (121-180) J. L. Austin, (1911-1960) Averroes, (1126-1198), (Ibn Rushd) Avicenna, (980-1037), (Ibn Sina) A. J. Ayer, (1910-1989) B Franz Xaver von Baader, (1765-1841) Gaston Bachelard Francis Bacon, (1561-1626) Roger Bacon, (1214-1294) Alexander Bain, (1818-1903) Bruno Bauer, (1809-1882) Paul Benacerraf Jeremy Bentham, (1748-1832) George Berkeley, (1685-1753) Isaiah Berlin, (1909-1997) Hugh Binning, (1627-1653) Bonaventure George Boole, (1815-1864) George Boolos, (1940-1996) F. H. Bradley Robert Brandom Anicius Manlius Severinus Boëthius, (AD 480-524 or 525) Franz Brentano, (1853-1920) Giordano Bruno, (1548-1600) Leon Brunschvicg Martin Buber, (1878-1965) Mario Bunge, (born 1919) Edmund Burke, (1729-1797) C Albert Camus, (1913-1960) Rudolf Carnap, (1891-1970) David Chalmers Cicero, (106 BC-43 BC) Lucio Colletti Etienne Bonnot de Condillac, (1715-1780) Marquis de Condorcet, (1743-1794) Frederick C. Copleston, (1907-1994) Victor Cousin, (1792-1867) Johannes Crellius (1590-1633) Bennedetto Croce Crates of Thebes Ralph Cudworth, (1617-1688) D Donald Davidson, (1917-2003) Simone de Beauvoir, (1908-1986) Gilles Deleuze, (1925-1995) Galvano Della Volpe Democritus, (born 460 BC) Daniel Dennett, (born 1942) Jacques Derrida, (born 1930) Rene Descartes, (1596-1650) John Dewey, (1859-1952) Denis Diderot, (1713-1784) Dogen Zenji, (1200-1253) Duns Scotus, (c. 1266-1308) E Mircea Eliade, (1907-1986) Empedocles, (490 BC-430 BC) Epictetus, (AD 55-circa 135) Epicurus, (341 BC-270 BC) Desiderius Erasmus, (1466-1536) Johannes Scotus Erigina Eubulides of Miletus Gareth Evans, (1946-1980) Ludwig Feuerbach, (1804-1872) Paul Feyerabend, (1924-1994) F Johann Gottlieb Fichte, (1762-1814) Immanuel Hermann Fichte, (1797-1879) Marsilio Ficino, (1433-1499) Philippa Foot Michel Foucault, (1926-1984) Gottlob Frege, (1848-1925) Jakob Friedrich Fries, (1773-1843) G Hans-Georg Gadamer, (1900-2002) Gautama Buddha, (ca. 563-483 BC) David Gauthier Peter Geach Edmund Gettier, (born 1927) Nelson Goodman Wawrzyniec Grzymala Goslicki (1530-1607) Antonio Gramsci George Grant Felix Guattari, (1930-1992) H R. M. Hare, (1919-2002) Jurgen Habermas, (born 1929) John Haugeland, (born 1948) Martin Heidegger, (1889-1976) Georg Hegel, (1770-1831) Carl Gustav Hempel Heraclitus of Ephesus, (ca. 535 BC-475 BC) Thomas Hobbes, (1588-1679) Douglas Hofstadter, (born 1945) Max Horkheimer, (1895-1973) David Hume, (1711-1776) Edmund Husserl, (1859-1938) I-J Karl Jaspers K Henry Home, Lord Kames, (1696-1782) Immanuel Kant, (1724-1804) Ibn Khaldun Soren Kierkegaard, (1813-1855) Saul Kripke, (born 1940) Thomas Samuel Kuhn, (1922-1996) L Imre Lakatos, (1922-1974) Lao Zi, (4th century BC), (Lao Tzu) Pierre Laromiguière, (1756-1837) Gottfried Leibniz, (1646-1716) Leucippus C. I. Lewis David K. Lewis, (1941-2001) Emmanuel Levinas, (1906-1995) John Locke, (1632-1704) M Niccolo Machiavelli, (1469-1527) John Leslie Mackie, (1917-1981) Alasdair MacIntyre Martin Luther, (1483-1546) Jean-Francois Lyotard Maine de Biran, (1766-1824) Nicolas Malebranche, (1638-1715) Maimonides, (1135-1204) Mao Zedong, (1893-1976) Gabriel Marcel Herbert Marcuse, (born 1898) Karl Marx, (1818-1883) John McDowell (born 1942) John Ellis McTaggart Alexius Meinong Maurice Merleau-Ponty (1908-1961) James Mill, (1773-1836) John Stuart Mill, (1806-1873) Charl du Montesquieu Michel Montaigne G. E. Moore, (1973-?) Thomas More, (1478-1535) N Nagarjuna, (ca. 200 CE) Ernest Nagel Thomas Nagel Leonard Nelson Otto Neurath, (1882-1945) Friedrich Nietzsche, (1844-1900) Robert Nozick (1938-2001) William of Ockham, (ca. 1285-1349) José Ortega y Gasset O Rudolf Otto P Vilfredo Pareto Derek Parfit Parmenides Blaise Pascal, (1623-1662) Charles Sanders Peirce Philo, (20 BC-40 AD) Alvin Plantinga Plato, (c. 427 BC-c. 347 BC) Plotinus, (died 270) Karl Popper, (1902-1994) Protagoras Hilary Putnam, (born 1926) Pythagoras, (582 BC-496 BC) Q W. V. O. Quine, (1908-2000) R Frank Ramsey, (1903-1930) Ayn Rand, (1905-1982) John Rawls, (1921-2002) Hans Reichenbach Thomas Reid, (1710-1796) Ursula Reitemeyer, (born 1955) Richard Rorty, (born 1930?) Gian-Carlo Rota, (1932-1999) Rhazes Jean Jacques Rousseau Pierre Paul Royer-Collard, (1763-1845) Bertrand Russell, (1872-1970) Gilbert Ryle S George Santayana, (1863-1952) Jean-Paul Sartre, (1905-1980) Friedrich Schelling, (1775-1852) Friedrich Schiller, (1759-1805) Friedrich Schleiermacher Moritz Schlick, (1882-1936) Arthur Schopenhauer, (1788-1860) Albert Schweizer John Searle (born 1931?) Wilfrid Sellars, (1912-1989) Michel Serres Sydney Shoemaker Peter Singer Joseph D. Sneed Socrates, (470 BC-399 BC) Herbert Spencer, (1820-1903) Baruch Spinoza, (1632-1677) Lysander Spooner Dugald Stewart, (1753-1828) Max Stirner, (1806-1856) David Friedrich Strauss, (1808-1874) Leo Strauss, (1899-1973) T Charles Taylor Henry David Thoreau Paul Tillich Thales, (circa BC624-BC547) Benjamin Tucker U Miguel de Unamuno V Giambattista Vico, (1668-1744) Eric Voegelin, (1901-1985) Voltaire, (1694-1778) W Alfred North Whitehead, (1861-1947) Timothy Williamson, (born 1955) Ludwig Wittgenstein, (1889-1951) Christian Wolff, (1679-1754) William Wollaston, (1659-1724) Georg Henrik von Wright, (1916-2003) X Xenophanes Y Z Zeno of Citium, (333 BC-264 BC) Zeno of Elea, (circa 495 BC-circa 430 BC) Arnold Zuboff See also History of philosophy for another list of philosophers