KARL FRIEDRICH GAUSS
GEORG CANTOR (1845-1918).
JOHN HERSCHEL (1792-1871).
Jean Baptiste Joseph
NATHANIEL BOWDITCH.
JULES HENRI POINCARE
CHARLES LUTWIDGE DODGSON
LORD KELVIN (1824-1907).
FRIEDRICH W HLER (1800-1882).
BERTRAND RUSSELL
GOTTFRIED von LEIBNIZ
JOHANNES KEPLER
KARL WILHELM SCHEELE
KARL JASPERS (1883-1969).
IMMANUEL KANT (1724-1804).
ANDRE MARIE AMPERE
WILLIAM H. BRAGG (1862-1942).
MICHEL EUGENE CHEVREUL
GEORGE WILHELM HEGE
THOMAS GRAHAM (1805-1869).
SIGMUND FREUD (1856-1939).
EDUARD VON HARTMANN
JOSEPH LOUIS LAGRANGE
3rd BARON RAYLEIGH
KARL MARX (1818-1883).
JOHN STUART MILL
FRIEDRICH ENGELS
Sir David Brewster
CHARLES BABBAGE (1792-1871).
NIELS HENRIK ABEL
HENRI LEON LEBESGUE
NICOLAUS COPERNICUS
JAMES EDWARD KEELER
SIR MARTIN FROBISHER
MARTIN BUBER (1878-1965).
MARTIN HEIDEGGER
MAIMONIDES (1135-1204).
Signature of Baruch Spinoza.
Sir Frederick William Herschel
FRIEDRICH WILHELM BESSEL
LEO TOLSTOY (1828-1910).
MAX PLANCK (1858-1947).
SVANTE AUGUST ARRHENIUS
HENRI BERGSON (1859-1941).
DAVY CROCKETT SIGNATURE.
ROBERT CHAMBERS (1802-1871).
RALPH WALDO EMERSON
SOREN KIERKEGAARD
Signature of Charles Darwin.
Signature of Louis Pasteur.
ABRAHAM GOTTHELF KAESTNER
GEORG SIMON OHM (1787-1854).
SIR WILLIAM RAMSAY
ARTHUR SCHOPENHAUER
JOHN TYNDALL (1820-1893).
J.H. HOFF (1852-1911).
SIR HUMPHRY DAVY (1778-1829).
JOHN RUSKIN (1819-1900).
THOMAS ROBERT MALTHUS
HERMAN MELVILLE (1819-1891).
CHARLOTTE BRONT
ROBERT BROWNING (1812-1889).
ELIZABETH BARRETT BROWNING
CHARLES DICKENS (1812-1870).
Signature of Blaise Pascal.
MARIE CURIE (1867-1934).
IDA LAURA PFEIFFER
JOHN WESLEY POWELL
SAMUEL GEORGE MORTON
SIR CHARLES LYELL
THOMAS YOUNG (1773-1829).
SIR HUMPHRY DAVY
Hermann Minkowski, German mathematician
Jan Sniadecki.
ADOLPHE QUETELET (1796-1874)
PIERRE-SIMON de LAPLACE
RENE DESCARTES (1596-1650).
THOMAS HOBBES (1588-1679).
CHEVALIER DE LAMARCK
CADWALLADER COLDEN
JOHN D. ROCKEFELLER
LEONARDO DA VINCI
CABEZA DE VACA (c1490-c1557).
MAX BORN (1882-1970).
HENRY CAVENDISH (1731-1810).
BENJAMIN FRANKLIN (1706-1790).
FRIEDRICH W.J. von SCHELLING
Signature of Adolf Erik Nordenskiold
BARUCH SPINOZA (1632-1677).
ERNEST RUTHERFORD
VOLTAIRE SIGNATURE.
Immanuel Kant's signature.
HENRI POINCARE (1854-1912).
Henry Hallam
SIR ISAAC NEWTON (1643-1727).
LEONARD EULER (1707-1783).
Karl Gauss
JONATHAN SWIFT (1667-1745).
DANIEL DEFOE (c1659-1731).
JOHN WAYNE (1907-1979).
JAMES BOSWELL (1740-1795).
CHARLES A. LINDBERGH
WALT DISNEY (1901-1966).
GALILEO GALILEI (1564-1642).
BARON FRIEDRICH von STEUBEN
GEOFFREY CHAUCER
FERDINAND MAGELLAN
Signature of Emanuel Swedenborg.
Vincenzo Bellini.
ROBERT LOUIS STEVENSON
CLAUDE MONET (1840-1926).
EDGAR ALLAN POE (1809-1849).
WILLIAM SOMERSET MAUGHAM
MARCEL PROUST (1871-1922).
JOAQUIM MACHADO DE ASSIZ
HOWARD PYLE (1853-1911).
IVAN TURGENEV (1818-1883).
MARY W. SHELLEY (1797-1851).
AUGUST STRINDBERG
NOAH WEBSTER (1758-1843).
WILLIAM WORDSWORTH
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).
NATHANIEL HAWTHORNE
FEDOR DOSTOEVSKI (1821-1881).
MAXIM GORKI (1868-1936).
JEAN PAUL GETTY (1892-1976).
HELEN ADAMS KELLER
HENRY WADSWORTH LONGFELLOW
KARL MARX MEMBERSHIP.
Sir Isaac Newton 1642 To 1727
SIR WALTER RALEIGH
PIERRE LAPLACE (1749-1827).
CARL GUSTAV JUNG
JACQUES CARTIER (1491-1557).
LOUIS RIEL (1844-1885).
ABRAHAM LINCOLN: CHECK.
LINCOLN'S AUTOGRAPH.
THOMAS JEFFERSON (1743-1826).
ULYSSES S. GRANT (1822-1885).
MONROE'S AUTOGRAPH.
ALEXANDER GRAHAM BELL (1847-1922).
ANDREW CARNEGIE (1835-1919).
THEODORE DREISER (1871-1945).
JOSEPH LISTER (1827-1912).
PIERRE LOUIS de MAUPERTUIS
THOMAS WRIGHT (1711-1786).
WILLIAM CLARK (1770-1838).
Pierre-Simon Laplace's nebula hypothesis.
Signature of Sven Hedin.
Sir John Ross
JOHN PIERPONT MORGAN
IGNAZ PHILIPP SEMMELWEIS
EDWARD JENNER (1749-1823).
EDWARD B. TITCHENER
SIR WALTER SCOTT
NATHANIEL W. TAYLOR
LEOPOLD von RANKE
WILLIAM J. M. RANKINE
EILHARDT MITSCHERLICH
RODERICK MURCHISON
MATTHIEU ORFILA (1787-1853).
GOTTHILF VON SCHUBERT
JOHN STRONG NEWBERRY
JOHN WHITE WEBSTER
DAVID BREWSTER (1781-1868).
JEREMY BENTHAM (1748-1832).
DAVY CROCKETT (1786-1836).
CHARLES E. BROWN-SEQUARD
COUNT AMEDEO AVOGADRO