DENIS DIDEROT (1713-1784).
NICOLAS DE MALEBRANCHE
ETIENNE BONNOT de CONDILLA
CLAUDE ADRIEN HELVETIUS
BARON DE MONTESQUIEU
MARQUIS de CONDORCET
John Locke, English philosopher
VOLTAIRE (1694-1778).
EDUARD VON HARTMANN
JEAN LE ROND d'ALEMBERT
JEAN LE ROND D' ALEMBERT
PIERRE J.G. CABANIS
Denis DIDEROT - 1713-1784 French encyclopaedist.
Denis Diderot
GEORGE BERKELEY (1685-1753).
GIOVANNI BATTISTA VICO
JOHN LOCKE (1632-1704).
DAVID HUME (1711-1776).
Voltaire.
Rene Descartes.
EMANUEL SWEDENBORG
WILLIAM PALEY (1743-1805).
JEAN LE ROND D'ALEMBERT
GOTTFRIED VON LEIBNIZ
BARON HOLBACH (1723-1789).
JEAN-JACQUES ROUSSEAU
IMMANUEL KANT (1724-1804).
Montesquieu.
FRIEDRICH SCHLEIERMACHER
GOTTHILF VON SCHUBERT
AUGUSTE COMTE (1798-1857).
RENE DESCARTES (1596-1650).
H.F.R. de LAMENNAIS
RALPH WALDO EMERSON
PIERRE BAYLE (1647-1706).
Jean-Jacques Rousseau.
ANTOINE LAURENT LAVOISIER
DAVID RITTENHOUS
The Death of Socrates.
Painting titled 'The Death of Socrates' by Jacques-Louis David
VOLTAIRE (1694-1779).
ETIENNE BONNOT de CONDILLAC
JOHANN GEORG HAMANN
JULIEN LA METTRIE (1709-1751).
JOHANN GOTTFRIED von HERDER
JOHANN GOTTFRIED VON HERDER
JULIEN LA METTRIE
CANDIDE
JOHANN GOTTLIEB FICHTE
JOSEPH-MARIE de GERANDO
JOHANN KASPAR LAVATER
TEMPLE OF ROUSSEAU.
ART OF MAKING MONEY PLENTY.
JEREMY BENTHAM (1748-1832).
SOREN KIERKEGAARD
SOREN KIERDEGAARD
Friedrich Heinrich Jacobi, German philosopher
LEONHARD EULER (1707-1783).
Silk manufacture: transferring yarn from the warping reel to a spool.
Silk manufacture; warped silk being wound from the spool.
CHARLES BONNET (1720-1793)
JOHAN KASPAR LAVATER
LORD KAMES (1696-1782).
JAMES MILL (1773-1836).
BENJAMIN FRANKLIN (1706-1790).
Edmund Burke.
VOLTAIRE: CANDIDE.
George Berkeley.
PETER ABELARD (1079-1142).
FRANCESCO ALGAROTTI
VOLTAIRE & ROUSSEAU.
JEAN JACQUES ROUSSEAU
Portrait of Samuel Taylor Coleridge
JEAN BAPTISTE ANDR DUMAS
FRIEDRICH NIETZSCHE
JACOB CHRISTIAN SCHAEFFER (1718-1790).
BENJAMIN FRANKLIN
MARSILIO FICINO (1433-1499).
THEOPHRASTUS
CHARLES BONNET (1720-1793).
BARUCH SPINOZA (1632-1677).
David Hume, Scottish philosopher
A section of the moon.
Confucius (551-479 BC)
GEORG WILHELM HEGEL
GEORGE WILHELM HEGE
JOHANN GOTTLIEB FICHT
CREBILLON (1674-1762).
Alexander Hamilton.
SWEDENBORG'S COTTAGE.
Socrates (439-399 BC)
Plato (c428-c348 BC)
Isidore Auguste Marie Francois Xavier Comte, 1798 1857, aka Auguste Comte
Henri-Louis Bergson, 1859 1941
LEO TOLSTOY (1828-1910).
JOSE ORTEGA Y GASSET
DEMOCRITUS (c460-c370 B.C.).
EPICTETUS (born 50 A.D.).
RUDOLPH STEINER (1861-1925).
KARL POPPER (1902-1994).
WILHELM DILTHEY
LUDWIG WITTGENSTEIN
HENRI FREDERIC AMIEL (1821-1881).
ADAM FERGUSON (1723-1816).
ALFRED NORTH WHITEHEAD
JOHN STUART MILL CARTOON
LUIGI GALVANI (1737-1798).
FRANKLIN & VOLTAIRE.
POOR RICHARD ILLUSTRATED.
FAMOUS SCIENTISTS.
CORNELIUS HEINRICH AGRIPPA
MOSES MENDELSSOHN
THOMAS PAINE (1737-1809).