MICHEL EUGENE CHEVREUL
THOMAS GRAHAM (1805-1869).
FRIEDRICH W HLER (1800-1882).
KARL WILHELM SCHEELE
Michel Eugene Chevreul, 1786 1889
SIR WILLIAM RAMSAY
J.H. HOFF (1852-1911).
SVANTE AUGUST ARRHENIUS
SIGMUND FREUD (1856-1939).
Signature of Louis Pasteur.
SIR HUMPHRY DAVY (1778-1829).
SIR HUMPHRY DAVY
IMMANUEL KANT (1724-1804).
ANDRE MARIE AMPERE
GEORG CANTOR (1845-1918).
WILLIAM H. BRAGG (1862-1942).
GEORGE WILHELM HEGE
EDUARD VON HARTMANN
KARL FRIEDRICH GAUSS
DAVY CROCKETT SIGNATURE.
RALPH WALDO EMERSON
MARIE CURIE (1867-1934).
Signature of Baruch Spinoza.
HENRY CAVENDISH (1731-1810).
JOHN STUART MILL
JOHN HERSCHEL (1792-1871).
JEAN EUGENE ROBERT HOUDIN
JEAN BAPTISTE ANDR DUMAS/n(1800-1884).
JOHN D. ROCKEFELLER
CADWALLADER COLDEN
BENJAMIN FRANKLIN (1706-1790).
SIR MARTIN FROBISHER
MARTIN BUBER (1878-1965).
MARTIN HEIDEGGER
KARL JASPERS (1883-1969).
MAIMONIDES (1135-1204).
LEO TOLSTOY (1828-1910).
HENRI BERGSON (1859-1941).
ROBERT CHAMBERS (1802-1871).
Henry Cavendish, British physical chemist
EILHARDT MITSCHERLICH
MATTHIEU ORFILA (1787-1853).
JOHN WHITE WEBSTER
COUNT AMEDEO AVOGADRO
JOHN FREDERIC DANIELL
JOSEPH LOUIS GAY-LUSSAC
Michel Eugene Chevreul.
IDA LAURA PFEIFFER
JOHN TYNDALL (1820-1893).
JOHN WAYNE (1907-1979).
CHARLES A. LINDBERGH
EDGAR ALLAN POE (1809-1849).
HOWARD PYLE (1853-1911).
NOAH WEBSTER (1758-1843).
STEPHEN CRANE SIGNATURE.
CLEMENS SIGNATURE.
JOHN JACOB ASTOR (1763-1848).
NATHANIEL HAWTHORNE
JEAN PAUL GETTY (1892-1976).
HELEN ADAMS KELLER
HENRY WADSWORTH LONGFELLOW
MAX PLANCK (1858-1947).
KARL MARX (1818-1883).
SOREN KIERKEGAARD
Signature of Charles Darwin.
SIR WALTER RALEIGH
NATHANIEL W. TAYLOR
ALEXANDER AGASSIZ
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).
Henry Hallam
JOHN WESLEY POWELL
SAMUEL GEORGE MORTON
GEORG SIMON OHM (1787-1854).
JULES HENRI POINCARE
ARTHUR SCHOPENHAUER
SIR CHARLES LYELL
THOMAS YOUNG (1773-1829).
CHARLES LUTWIDGE DODGSON
LORD KELVIN (1824-1907).
JOHN RUSKIN (1819-1900).
THOMAS ROBERT MALTHUS
CABEZA DE VACA (c1490-c1557).
MAX BORN (1882-1970).
ARTHUR TAPPAN (1786-1865).
JOHN PIERPONT MORGAN
JAMES TALLMADGE (1778-1853).
JOHN RANDOLPH (1773-1833).
JAMES MILLER MCKIM
HERMAN MELVILLE (1819-1891).
CHARLOTTE BRONT
ROBERT BROWNING (1812-1889).
ELIZABETH BARRETT BROWNING
CHARLES DICKENS (1812-1870).
FRIEDRICH ENGELS
JOHN BURROUGHS (1837-1921).
JOSEPH PRIESTLEY (1733-1804).
Signature of Adolf Erik Nordenskiold
Michel Eugene Chevreul, French chemist
BARUCH SPINOZA (1632-1677).
SITTING BULL (c1831-1890).
JAMES BOSWELL (1740-1795).
CARL SANDBURG (1878-1967).
JOHN STEINBECK (1902-1968).
JOHN HANCOCK (1737-1793).
WILLIAM FAULKNER
F. SCOTT FITZGERAL
ERNEST HEMINGWAY
LEONARDO DA VINCI
JOHANNES KEPLER
JEFFERSON: VARIOUS CARDS.
FERDINAND MAGELLAN
Signature of Emanuel Swedenborg.
RENE DESCARTES (1596-1650).
THOMAS HOBBES (1588-1679).
CHEVALIER DE LAMARCK
WILLIAM CLARK (1770-1838).
Vincenzo Bellini.
ROBERT LOUIS STEVENSON
WILLIAM SOMERSET MAUGHAM
JOAQUIM MACHADO DE ASSIZ
AUGUST STRINDBERG
ALEKSANDER P. BORODIN (1834-1887).
FEDOR DOSTOEVSKI (1821-1881).
MAXIM GORKI (1868-1936).
DAVY CROCKETT (1786-1836).
NATHANIEL BOWDITCH.
GEORGE BANCROFT (1800-1891).
JOHN C. FREMONT (1813-1890).
ANDREW DOWNING (1815-1852).
JAMES EDWARD KEELER
WASHINGTON IRVING
ROOSEVELT SIGNATURE.
JOHN F. KENNEDY
MARTIN LUTHER KING, JR.
Sir John Ross
SIR WALTER SCOTT
LEOPOLD von RANKE
WILLIAM J. M. RANKINE
RODERICK MURCHISON
3rd BARON RAYLEIGH
DAVID BREWSTER (1781-1868).
NIELS HENRIK ABEL
ADAM CLARKE (c1760-1832).
CARL GUSTAV JUNG
ERNST MACH (1838-1916).
JOHN WITHERSPOON
ABIGAIL ADAMS (1744-1818).
ANNA ELEANOR ROOSEVEL
HENRY FORD SIGNATURE.
JACQUELINE KENNEDY
JOHN WILKES BOOTH (1838-1865).
LOUISA MAY ALCOTT (1832-1888). American writer. Autograph signature.
BERTRAND RUSSELL
ERNEST RUTHERFORD
VOLTAIRE SIGNATURE.
JACQUES CARTIER (1491-1557).
GOTTFRIED von LEIBNIZ
Immanuel Kant's signature.
PIERRE E.M. BERTHELO
JONATHAN SWIFT (1667-1745).
DANIEL DEFOE (c1659-1731).
WALT DISNEY (1901-1966).
NEIL ARMSTRONG (1930- ).
Robert Bunsen.
ALFRED NOBEL (1833-1896).
NICOLAUS COPERNICUS
Signature of Sven Hedin.
CHURCHILL C. CAMBRELENG
JOHN JACOB ASTOR
JAMES LOGAN (1674-1751).
EDGAR WATSON HOWE
JOHN HART (1711-1779).
ALFRED THAYER MAHAN