WILLIAM H. BRAGG (1862-1942).
ANDRE MARIE AMPERE
MAX PLANCK (1858-1947).
SVANTE AUGUST ARRHENIUS
MARIE CURIE (1867-1934).
ERNEST RUTHERFORD
SIGMUND FREUD (1856-1939).
MAX BORN (1882-1970).
GEORG SIMON OHM (1787-1854).
JOHN TYNDALL (1820-1893).
LORD KELVIN (1824-1907).
THOMAS YOUNG (1773-1829).
3rd BARON RAYLEIGH
J.H. HOFF (1852-1911).
SIR WILLIAM RAMSAY
HENRY CAVENDISH (1731-1810).
MARTIN BUBER (1878-1965).
MARTIN HEIDEGGER
KARL JASPERS (1883-1969).
IMMANUEL KANT (1724-1804).
FRIEDRICH W HLER (1800-1882).
GEORG CANTOR (1845-1918).
MICHEL EUGENE CHEVREUL
GEORGE WILHELM HEGE
THOMAS GRAHAM (1805-1869).
EDUARD VON HARTMANN
KARL FRIEDRICH GAUSS
WILLIAM J. M. RANKINE
Signature of Albert Einstein.
JOHN STUART MILL
JOHN HERSCHEL (1792-1871).
LEO TOLSTOY (1828-1910).
HENRI BERGSON (1859-1941).
JULES HENRI POINCARE
Henry Cavendish, British physical chemist
DAVID BREWSTER (1781-1868).
COUNT AMEDEO AVOGADRO
JOHN FREDERIC DANIELL
JOSEPH LOUIS GAY-LUSSAC
ERNST MACH (1838-1916).
SIR MARTIN FROBISHER
KARL WILHELM SCHEELE
MAIMONIDES (1135-1204).
Signature of Baruch Spinoza.
WILLIAM SOMERSET MAUGHAM
JOHN D. ROCKEFELLER
Johann Wolfgang Von Goethe
Michael Faraday
KARL MARX (1818-1883).
DAVY CROCKETT SIGNATURE.
ROBERT CHAMBERS (1802-1871).
RALPH WALDO EMERSON
SOREN KIERKEGAARD
Signature of Charles Darwin.
Signature of Louis Pasteur.
BERTRAND RUSSELL
ARTHUR SCHOPENHAUER
CHARLES LUTWIDGE DODGSON
SIR HUMPHRY DAVY (1778-1829).
JOHN WAYNE (1907-1979).
CHARLES A. LINDBERGH
WALT DISNEY (1901-1966).
JOHN RUSKIN (1819-1900).
THOMAS ROBERT MALTHUS
MARCEL PROUST (1871-1922).
HOWARD PYLE (1853-1911).
AUGUST STRINDBERG
MAXIM GORKI (1868-1936).
JEAN PAUL GETTY (1892-1976).
HELEN ADAMS KELLER
HERMAN MELVILLE (1819-1891).
CHARLOTTE BRONT
ROBERT BROWNING (1812-1889).
ELIZABETH BARRETT BROWNING
CHARLES DICKENS (1812-1870).
FRIEDRICH ENGELS
STEFAN ZWEIG (1881-1942).
WILLIAM FAULKNER
CARL GUSTAV JUNG
ERNST HEINRICH WEBER
Sir Isaac Newton 1642 To 1727
WILLIAM WORDSWORTH
IDA LAURA PFEIFFER
JOHN WESLEY POWELL
SAMUEL GEORGE MORTON
SIR CHARLES LYELL
SIR HUMPHRY DAVY
ALEXANDER GRAHAM BELL (1847-1922).
ANDREW CARNEGIE (1835-1919).
THEODORE DREISER (1871-1945).
JOSEPH LISTER (1827-1912).
CADWALLADER COLDEN
RENE DESCARTES (1596-1650).
THOMAS HOBBES (1588-1679).
CHEVALIER DE LAMARCK
LEONARDO DA VINCI
CABEZA DE VACA (c1490-c1557).
BENJAMIN FRANKLIN (1706-1790).
JOHANNES KEPLER
Signature of Sven Hedin.
JOHN PIERPONT MORGAN
EDWARD B. TITCHENER
HENRI LEON LEBESGUE
Signature of Adolf Erik Nordenskiold
WILLIAM H. PANCOAST.
WILLIAM CLARK (1770-1838).
GEORGE BERNARD SHAW
Henry Hallam
BARUCH SPINOZA (1632-1677).
VOLTAIRE SIGNATURE.
GOTTFRIED von LEIBNIZ
Immanuel Kant's signature.
SIR WILLIAM EDMOND LOGAN
Robert Bunsen.
GEORGE H. RUTH (1895-1948).
WILLIAM SYDNEY PORTER
JONATHAN SWIFT (1667-1745).
DANIEL DEFOE (c1659-1731).
JAMES BOSWELL (1740-1795).
CARL SANDBURG (1878-1967).
JOHN STEINBECK (1902-1968).
GEORGES BRAQUE (1882-1963).
F. SCOTT FITZGERAL
ERNEST HEMINGWAY
JAMES JOYCE (1882-1941).
Signature of Edward Elgar, English composer
FERDINAND MAGELLAN
Signature of Emanuel Swedenborg.
Signature of Theodor Mommsen.
GEOFFREY CHAUCER
Vincenzo Bellini.
ROBERT LOUIS STEVENSON
CLAUDE MONET (1840-1926).
EDGAR ALLAN POE (1809-1849).
JOAQUIM MACHADO DE ASSIZ
IVAN TURGENEV (1818-1883).
MARY W. SHELLEY (1797-1851).
NOAH WEBSTER (1758-1843).
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).
HENRY WADSWORTH LONGFELLOW
JOHN BURROUGHS (1837-1921).
SIR WALTER RALEIGH
SIR ISAAC NEWTON (1643-1727).
LEONARD EULER (1707-1783).
ROOSEVELT SIGNATURE.
JOHN F. KENNEDY
MARTIN LUTHER KING, JR.
Signature of Paul von Hindenburg.
William Roscoe
William Godwin
ANNA ELEANOR ROOSEVEL
HENRY FORD SIGNATURE.
JACQUELINE KENNEDY
WILLIAM SHAKESPEARE
LILLIAN D. WALD (1867-1940).
Signature of Blaise Pascal.
LOUIS RIEL (1844-1885).
ABRAHAM LINCOLN: CHECK.
LINCOLN'S AUTOGRAPH.
THOMAS JEFFERSON (1743-1826).
ULYSSES S. GRANT (1822-1885).
MONROE'S AUTOGRAPH.
JACQUES CARTIER (1491-1557).
PAUL L. DUNBAR (1872-1906).
THOMAS MANN (1875-1955).
EDGAR DEGAS (1834-1917).
Alexander Graham Bell's photo phone.
WILLIAM PINKNEY (1764-1822).
Sir David Brewster
Sir Frederick William Herschel
SIR RONALD ROSS (1857-1932).
ALFRED RUSSEL WALLACE
William Henry Bragg (1862-1942)
Russian Ambassador Potemkin signs treaty with French Prime Minister Pierre Laval.