THOMAS EDISON (1847-1931).
THOMAS ALVA EDISON (1847-1931).
THOMAS A. EDISON (1847-1931).
SAMUEL PIERPONT LANGLE
SAMUEL PIERPONT LANGLEY
ALEXANDER GRAHAM BELL/n(1847-1922).
Thomas Alva Edison (1847-1931), American Inventor, half-length seated Portrait, Louis Bachrach, Bachrach Studios, 1922
Thomas Alva Edison (1847-1931), American Inventor, half-length Portrait, Louis Bachrach, Bachrach Studios, 1922
EDISON & STEINMETZ, 1922.
BENJAMIN FRANKLIN (1706-1790).
EDISON WITH HIS FAMILY.
JOHN BURROUGHS (1837-1921).
ALBERT BUSHNELL HART
WILLIAM JAMES (1842-1910)
LUTHER BURBANK (1849-1926).
ALFRED RUSSEL WALLAC
ALBERT EINSTEIN (1879-1955).
ALEXANDER GRAHAM BELL
LEE DE FOREST (1873-1961).
GEORGE BANCROFT (1800-1891).
JOHN C. FREMONT (1813-1890).
WILLIAM HUGGINS (1824-1910).
ALFRED RUSSEL WALLACE
ANDREW CARNEGIE (1835-1919).
THOMAS H. HUXLEY (1825-1895).
AMERICAN SCIENTISTS.
WILHELM CONRAD ROENTGE
ECHEGARAY y EIZAGUIRRE
BENJAMIN FRANKLIN
DEAN GOODERHAM ACHESON
JOSEPH GREW (1880-1965).
GEORGE WASHINGTON CARVER
OLIVER W. HOLMES (1809-1894).
ELI WHITNEY (1765-1825).
CHARLES DURYEA (1862-1938).
SIR CHARLES LYELL
JOHN NAPIER (1550-1617).
CHARLES EDWARD IVES
SIR FRANCIS GALTON
HENRY FAIRFIELD OSBORN
3RD BARON RAYLEIGH
CHRISTOPHER CLAVIU
AUGUSTUS DE MORGAN
CHARLES DARWIN (1809-1882).
SIR J. D. HOOKER (1817-1911).
CHARLES ROBERT DARWI
John N Stockwell, American astronomer
Seth Chandler, US astronomer
MABEL HUBBARD BELL (1857-1923).
THOMAS YOUNG (1773-1829).
WILLIAM RICHARDSON DAVIE
JAMES ROWLAND ANGELL
JAMES CURLEY (1796-1889).
WILLIAM F. CODY (1846-1917).
CHAUNCEY DEPEW (1834-1928).
Thomas A. Edison with Phonograph, Engraving, circa 1888
ISAAC PITMAN (1813-1897).
SIR CHARLES WHEATSTONE
JAMES NAISMITH (1861-1939).
WILLIAM McDOUGAL
KARL MARX (1818-1883).
KARL MARX (1818-1883)
ROBERT E. LEE (1807-1870).
GEORGE CUSTER (1839-1876).
EDWARD BATES (1793-1869).
WILLIAM CULLEN BRYANT
PETER COOPER (1791-1883).
JEFFERSON DAVIS
JOSEPH HAYNE RAINEY
JOHN BIGELOW (1817-1911).
CRAWFORD WILLIAMSON LONG
ROBERT T. LINCOLN,
JOSEPH HENRY (1797-1878).
CHARLES HODGE 1797-1878).
SIGMUND FREUD (1856-1939).
WRIGHT BROTHERS
ELMER AMBROSE SPERRY
VACHEL LINDSAY (1879-1931).
JOSEPH PULITZER (1847-1911).
MICHAEL FARADAY
HERBERT SPENCER (1820-1903).
JOHN TYNDALL (1820-1893).
JOHN WORRALL KEELY, c1895.
MAX PLANCK (1858-1947)
CARL SAGAN (1934-1996).
CARL GUSTAV JUNG (1875-1961)
BENJAMIN THOMPSON
CHARLES ROBERT DARWIN
MICHAEL IDVORSKY PUPIN
FRANZ BOAS (1858-1942).
WILHELM WUNDT (1832-1920).
JOHN BARRYMORE (1882-1942).
MARCUS A. HANNA (1837-1904).
JULIAN HAWTHORNE (1846-1934).
FAMOUS PLAYERS, c1916.
AUGUSTA DEJERINE (1859-1927).
NEWTON D. BAKER (1871-1937).
THOMAS ALVA EDISON
HENRY WADSWORTH LONGFELLOW
NIKOLA TESLA (1856-1943).
ROY CHAPMAN ANDREWS
THOMAS HART BENTON
JOHN MILTON HAY (1838-1905).
JAMES P. JOULE (1818-1889).
PIERRE E.M. BERTHELO
RENE CAILLIE (1799-1838).
ARTHUR JAMES BALFOUR