MARTIN HEIDEGGER
MARTIN BUBER (1878-1965).
KARL JASPERS (1883-1969).
IMMANUEL KANT (1724-1804).
GEORGE WILHELM HEGE
EDUARD VON HARTMANN
MAIMONIDES (1135-1204).
Signature of Baruch Spinoza.
JOHN STUART MILL
BERTRAND RUSSELL
HENRI BERGSON (1859-1941).
LEO TOLSTOY (1828-1910).
RENE DESCARTES (1596-1650).
THOMAS HOBBES (1588-1679).
SOREN KIERKEGAARD
GOTTFRIED von LEIBNIZ
BARUCH SPINOZA (1632-1677).
ARTHUR SCHOPENHAUER
VOLTAIRE SIGNATURE.
Immanuel Kant's signature.
ROBERT CHAMBERS (1802-1871).
BENJAMIN FRANKLIN (1706-1790).
RALPH WALDO EMERSON
KARL MARX (1818-1883).
WILLIAM H. BRAGG (1862-1942).
SIGMUND FREUD (1856-1939).
SIR MARTIN FROBISHER
Signature of Emanuel Swedenborg.
ANDRE MARIE AMPERE
GEORG CANTOR (1845-1918).
MICHEL EUGENE CHEVREUL
THOMAS GRAHAM (1805-1869).
KARL FRIEDRICH GAUSS
KARL WILHELM SCHEELE
FRIEDRICH W HLER (1800-1882).
MAX BORN (1882-1970).
SVANTE AUGUST ARRHENIUS
MAX PLANCK (1858-1947).
JOHN HERSCHEL (1792-1871).
J.H. HOFF (1852-1911).
JULES HENRI POINCARE
SIR WILLIAM RAMSAY
ERNEST RUTHERFORD
JEREMY BENTHAM (1748-1832).
JOHANN GOTTLIEB FICHTE
JOHANN GOTTFRIED von HERDER
ERNST MACH (1838-1916).
THOMAS PAINE (1737-1809).
FRIEDRICH W.J. von SCHELLING
MOSES MENDELSSOHN
GOTTHILF VON SCHUBERT
HENRY DAVID THOREA
CHARLES A. LINDBERGH
WALT DISNEY (1901-1966).
JOHN WAYNE (1907-1979).
MARIE CURIE (1867-1934).
Signature of Blaise Pascal.
MARTIN LUTHER KING, JR.
Samuel Taylor Coleridge
Robert Macnish
Michael Faraday
William Godwin
Benjamin Franklin
JOHN D. ROCKEFELLER
CHEVALIER DE LAMARCK
PHILOSOPHICAL SOCIETY.
CADWALLADER COLDEN
HENRY CAVENDISH (1731-1810).
DAVY CROCKETT SIGNATURE.
JOHANNES KEPLER
LEONARDO DA VINCI
Signature of Charles Darwin.
Signature of Louis Pasteur.
CABEZA DE VACA (c1490-c1557).
Signature of Sven Hedin.
CHARLES LUTWIDGE DODGSON
LORD KELVIN (1824-1907).
SIR HUMPHRY DAVY (1778-1829).
GEORG SIMON OHM (1787-1854).
JOHN TYNDALL (1820-1893).
THOMAS ROBERT MALTHUS
DANIEL DEFOE (c1659-1731).
JAMES BOSWELL (1740-1795).
JONATHAN SWIFT (1667-1745).
JOHN RUSKIN (1819-1900).
GEORGES BRAQUE (1882-1963).
WILLIAM FAULKNER
F. SCOTT FITZGERAL
ERNEST HEMINGWAY
MAXIM GORKI (1868-1936).
JEAN PAUL GETTY (1892-1976).
JAMES JOYCE (1882-1941).
HELEN ADAMS KELLER
JOHN STEINBECK (1902-1968).
WILLIAM SOMERSET MAUGHAM
MARCEL PROUST (1871-1922).
HOWARD PYLE (1853-1911).
CARL SANDBURG (1878-1967).
AUGUST STRINDBERG
Signature of Edward Elgar, English composer
STEFAN ZWEIG (1881-1942).
CHARLOTTE BRONT
GEOFFREY CHAUCER
ROBERT BROWNING (1812-1889).
ELIZABETH BARRETT BROWNING
CHARLES DICKENS (1812-1870).
FRIEDRICH ENGELS
HERMAN MELVILLE (1819-1891).
FERDINAND MAGELLAN
John Locke 1632 To 1704
CARL GUSTAV JUNG
3rd BARON RAYLEIGH
Signature of Albert Einstein.
Signature of Theodor Mommsen.
SIR WALTER RALEIGH
Signature of Paul von Hindenburg.
ROOSEVELT SIGNATURE.
JOHN F. KENNEDY
ALEXANDER GRAHAM BELL (1847-1922).
ANDREW CARNEGIE (1835-1919).
THEODORE DREISER (1871-1945).
HENRY FORD SIGNATURE.
JOSEPH LISTER (1827-1912).
JACQUELINE KENNEDY
ANNA ELEANOR ROOSEVEL
JACQUES CARTIER (1491-1557).
SIR CHARLES LYELL
SIR HUMPHRY DAVY
IDA LAURA PFEIFFER
JOHN WESLEY POWELL
SAMUEL GEORGE MORTON
THOMAS YOUNG (1773-1829).
ARNAULD & NICOLE: LOGIC.
KARL MARX MEMBERSHIP.
Russian Ambassador Potemkin signs treaty with French Prime Minister Pierre Laval.
Italian Fascist leader Mussolini watches as his representative signs treaty with French Prime Minister Pierre Laval.
JOHN PIERPONT MORGAN
HENRI LEON LEBESGUE
EDWARD B. TITCHENER
SIR RONALD ROSS (1857-1932).
ALFRED RUSSEL WALLACE
NICOLAUS COPERNICUS
Signature of Adolf Erik Nordenskiold
SHIRLEY TEMPLE (1928-2014).
GEORGE BERNARD SHAW
GEORGE H. RUTH (1895-1948).
Henry Hallam
PRINCE KROPOTKIN (1842-1921).
VOLTAIRE (1694-1778).
CHARLES CHAPLIN (1889-1977).
NEIL ARMSTRONG (1930- ).
ERNST KRETSCHMER
JOSEPH PULITZER (1847-1911).
JOHN BURROUGHS (1837-1921).
FRANCISCO PIZARRO
STEPHEN CRANE SIGNATURE.
CLEMENS SIGNATURE.
HANS CHRISTIAN ANDERSEN
ALEKSANDER P. BORODIN (1834-1887).
JOHANNES BRAHMS (1833-1897).
LUDWIG van BEETHOVEN
JOHN JACOB ASTOR (1763-1848).
JOHN HANCOCK (1737-1793).
NATHANIEL HAWTHORNE
FEDOR DOSTOEVSKI (1821-1881).
SAMUEL JOHNSON (1709-1784).
HENRY WADSWORTH LONGFELLOW
MOZART: AUTOGRAPH.
MARIE ANTOINETTE (1755-1793).
ROBERT LOUIS STEVENSON
CLAUDE MONET (1840-1926).
EDGAR ALLAN POE (1809-1849).
WILLIAM SHAKESPEARE
JOAQUIM MACHADO DE ASSIZ
JOHANN SCHLEGEL (1719-1749).
IVAN TURGENEV (1818-1883).
MARY W. SHELLEY (1797-1851).
Signature of Elias Gottlob Haussmann.
Vincenzo Bellini.
PHILLIS WHEATLEY
NOAH WEBSTER (1758-1843).
WILLIAM WORDSWORTH
Sir Isaac Newton 1642 To 1727