AUGUSTE COMTE (1798-1857).
BLAISE PASCAL (1623-1662).
Isidore Auguste Marie Francois Xavier Comte, 1798 1857, aka Auguste Comte
AUGUSTE COMTE (1798-1857). French philosopher. On a French postage stamp, 1957.
ALFRED NORTH WHITEHEAD
JEAN LE ROND D' ALEMBERT
RENE DESCARTES (1596-1650).
Rene Descartes (1596-1650)
Alfred North Whitehead.
Rene Descartes.
Cover of the book Mechanicorum Liber by Guidobaldo del Monte.
LEIBNITZ MS. DIAGRAM.
WILLIAM GODWIN (1756-1836).
JOHN LOCKE (1632-1704).
Jan Sniadecki.
BERTRAND RUSSELL (1872-1970).
Unglazed porcelain by Blaise Pascal.
HYPATIA (c.3.70-415) mathematician and philosopher (NE0PLAT0NIST), murdered by the followers of Cyril, Patriarch of Alexandria.Mid-19th centuy atist's reconstruction.
Demonstration or Cause & Effect', 1817.
Alfred North Whitehead, British mathematician
Difference engine designed by Charles Babbage.
BERTRAND RUSSELL
GOTTFRIED von LEIBNIZ
Montesquieu.
Blaise Pascal
Jean Le Rond D'Alembert
Rene Descartes
Emanuel Lasker
Galileo Galilei
Marie Jean Antoine Nicolas De Caritat
Gottfried Wilhelm Leibniz
Bertrand Arthur William Russell, 3rd Earl Russell (1872-1970)
Pythagoras (6th century BC)
Albert Einstein (14 March 1879-18 April 1955)
Pythagoras.
Giordano Bruno (1548 1600). born Filippo Bruno. was an Italian Dominican friar. philosopher. mathematician. poet. and astrologer. He is remembered for his cosmological theories. which conceptually extended the then novel Copernican model. He proposed tha
GOTTFRIED VON LEIBNIZ
JEAN LE ROND D'ALEMBERT
ROBERT BOYLE (1627-1691).
1649 Rene Descartes portrait philosopher
BLAISE PASCAL (1623-1662)
Col portrait of the German mathematician Leibniz
肖像画
JEAN LE ROND d'ALEMBERT
PIERRE LAPLACE (1749-1827).
PIERRE de FERMAT (1601-1665).
A statue of Gottfried Wilhelm Leibniz.
SOREN KIERKEGAARD
JOHANN GOTTLIEB FICHT
Blaise Pascal, French mathematician
Statue of Nicolas de Condorcet, 1894
CHARLES PEIRCE (1839-1914).
GEORGE BOOLE (1815-1864).
EULER: TITLE-PAGE, 1744.
ISAAC NEWTON TITLE-PAGE.
Bertrand Russell, British philosopher
ARCHIMEDES (c287-212 B.C.).
SPENGLER TITLE PAGE, 1918.
ROBERT RECORDE
Rene Descartes, French mathematician
Hypatia (c370-415)
Hypatia, female mathematician
Pythagoras Of Samos
Pythagoras (c.580-500 BC)
Gottfried Wilhelm Leibniz, German mathematician
BANNEKER'S ALMANACK, 1792.
HARRIET HARDY TAYLOR MILL
Gottfried Wilhelm Leibnitz
Gemma Frisius.
LEIBNITZ CALCULATOR.
Portrait of Galileo Galilei
Death Mask Of Sir Isaac Newton
Archytas
MATTHIAS PASOR (1599-1658).
BARON CHRISTIAN von WOLFF
MARQUIS de CONDORCET
MARQUIS DE CONDORCET
IMMANUEL KANT (1724-1804).
Gottfried Wilhelm von LEIBNIZ (1646-1716)
LEONHARD EULER (1707-1783).
JAKOB BERNOULLI (1654-1705).
Title page of 'Dissertatio academica de barometris' by Georg Albrecht Hamberger
Portrait of Georges-Louis Leclerc, Comte de Buffon
MOSES MENDELSSOHN
Charles Sanders Peirce, US philosopher
John Robison.
Historical proof of Pythagoras' theorem
HENRY DAVID THOREA
Pierre de Fermat (1595?-1665)
Gottfried Leibniz, German mathematician
Pythagoras (c560-c480 BC)
Pythagoras, Ancient Greek philosopher
JACQUES INAUDI (1867-1892).
HOBBES: LEVIATHAN, 1651.
AUGUSTIN CAUCHY (1789-1857).
Professor Sir Roger Penrose
Hypatia, mathematician and philosopher
PASCALINE CALCULATOR, 1654.
CHARLES LUTWIDGE DODGSON
Jean le Rond d'Alembert.
Jules Francois Simon, 1814 - 1896
Gerardus Mercator, Flemish cartographer
DENIS DIDEROT (1713-1784).
John Russell, lst Earl Russell (1792-1878)
DE L'ESPRIT des LOIX, 1748.
RALPH WALDO EMERSON
JOHN STUART MILL
Karl Gustav Jacobi (1804-51) German mathematician.
Marquis de Condorcet, French politician
Thomas Hobbes, English philosopher
Blaise Pascal.
JANOS BOLYAI (1802-1860).
Adolphe Quetelet, Belgian astronomer
SOPHIE GERMAIN (1776-1831).
Differential calculus equation
Rene Descartes' explanation of the refraction of light.
The Death of Socrates
HARPSICHORD, 1786.
HARPSICHORD.
Bernhard Riemann.
Albert Einstein (1879-1955)
Jacques de Vaucanson
Enigma code machine
George Stibitz, American computer scientist.
Professor Roger Penrose
John Fiske.
Herbert Spencer.