NORBERT WIENER (1894-1964).
EDWARD TEACH (d. 1718).
ALBERT EINSTEIN (1879-1955).
COUNT KEYSERLING
JAMES ROWLAND ANGELL
JOHN WALLIS (1616-1703).
SIR WILLIAM HENRY PERKIN
HERMAN FRASCH (1851-1914).
PIERRE LAPLACE (1749-1827).
EDWARD EVERETT (1794-1865).
CHARLES LUTWIDGE DODGSON
EVANGELISTA TORRICELLI
GEORGE HERBERT MEAD
JACQUES CARTIER (1491-1557).
BLAISE PASCAL (1623-1662).
LOUIS CELINE (1894-1961).
GEORGE WASHINGTON CARVER
ANTOINE HENRI BECQUEREL.
French caricature showing a fearful schoolboy standing before a stern teacher. 1906
ROALD AMUNDSEN (1872-1928).
THOMAS EDISON (1847-1931).
BERTRAND RUSSELL
GALILEO GALILEI (1564-1642).
HENRI MATISSE (1869-1954).
A girl reading.
GEORGE MARSH (1801-1882).
LOUIS PASTEUR (1822-1895).
WILLIAM AYRTON (1847-1908).
CONFUCIUS (c551-479 B.C.).
SIR AUSTEN HENRY LAYARD
COUNT ALESSANDRO VOLTA
JOHN H. SPEKE (1827-1864).
EDWARD J. EYRE (1815-1901).
NICOLO ZENO (fl. 1380-1400).
FRIEDRICH ENGELS (1820-1895).
RADIO, EARLY 1900s.
JOSEPH G. CANNON (1836-1926).
BLAISE DIAGNE (1872-1934).
ROBERT PEARY (1856-1920).
LINCOLN ELLSWORTH
ERNEST HENRY SHACKLETON
Female school teacher writing on the blackboard
DAVID WECHSLER (1896-1981).
ENRICO FERMI (1901-1954).
MARTIN HEIDEGGER (1889-1976).
JOHN MUIR (1838-1914).
MUIR & BURROUGHS, 1912.
MUIR & BURROUGHS, 1909.
Prince Emmanuel (1872-1931), Duke of Vendome, Portrait, 1915
WAYNE BIDWELL WHEELER
ALEXANDER GRAHAM BELL/n(1847-1922).
Sir Francis Drake (1540-96), English Admiral and Navigator, Portrait, Engraved by S. Freeman, 1829
JACK BENNY 1894-1974)
FRANCISCO PIZARRO
SIR WALTER RALEIGH
RUDOLF VIRCHOW (1821-1902).
SIR RICHARD FRANCIS BURTON
RICHARD BURTON (1821-1890).
BARTHOLOMEW COLUMBUS
CHARLES DARWIN (1809-1882).
JOHN C. FREMONT (1813-1890).
FREDERICK SELOUS
JAMES A. VAN ALLEN (1914-2006).
FERDINAND FOCH (1851-1929).
ARTHUR SCHNITZLE
MAX WEBER (1864-1920).
GEORGE BERNARD SHAW
MIGUEL MALVAR (1865-1911)
JOHN BOYD DUNLOP (1840-1921).
WILBUR WRIGHT (1867-1912).
SERGEY YULYEVICH WITTE
ANDREW CARNEGIE (1835-1919).
PRINCE LOUIS OF BATTENBERG
ENRICO CARUSO (1873-1921).
HENRY CLAY FRICK (1849-1919)
GABRIELE d'ANNUNZIO
RAYMOND POINCARE
PERCY HARRISON FAWCETT
JOSE VASCONCELOS (1882-1959).
FREDERICK ALBERT COOK
WOMEN'S ART CLASS, 1895.
AHMED MUHAMMED RAISULI
HAILE SELASSIE (1892-1975).
GEORGE V (1865-1936).
EDWARD VII (1841-1910).
KING EDWARD VII OF ENGLAND
CONSTANTINO BRUMIDI
JOHN MCDOUALL STUART
PONY EXPRESS RIDER, c1910.
ALFRED HERTZ (1872-1942).
WILLIAM F. CODY (1846-1917).
FERDINAND VERBIEST
ALBERT SCHWEITZER
DR. ALEXIS CARREL (1873-1944).
SIR CHARLES WARREN
JEAN JACQUES ROUSSEAU
ROGER CASEMENT (1864-1916).
BARON JUSTUS von LIEBI
ROBERT FIELD STOCKTON
JOHN RUSKIN (1819-1900).
CANADA: FUR TRADER.
ABRAHAM LINCOLN (1809-1865).
SAINT PAUL (d. 67 A.D.).
AMBROSE E. BURNSIDE
JOHANN GUTENBERG
DUKE HENRI I MONTMORENCY
JOSEPH PRIESTLEY (1733-1804).
BIBLE REVISERS, 1885.
Maths teacher writing a formula on a whiteboard
Female teacher writing on whiteboard in classroom
Female teacher pointing by whiteboard in classroom
Female teacher writing on whiteboard in computer classroom
School Teacher Flat Banners Set . Elementary and secondary school teachers professional development 3 flat horizontal colorful background banners set isolated vector illustration
Two businessmen standing near blackboard with graphs, curves and diagram infographics flat vector on white background. Financial forecast, business masterclass or economics presentation concept. Presentation of Financial Forecast Vector Concept
REN FONCK (1894-1953).
It's all in the formula...
JOHN STARK (1841-1927).
CHARLES PIERRE PEGUY
FREDERICK I (1826-1907).
CLAUDE ACHILLE DEBUSSY
REYNALDO HAHN (1874-1947).
MARILYN MONROE (1926-1962).
WORLD WAR I: BERLIN, C1919.
ARTURO TOSCANINI
ROBERT HUTCHINGS GODDARD
JOHANNES KEPLER (1571-1630).
JUNG AND FREUD, 1909.
ROBERT FALCON SCOTT
SIMEON DAVISON FESS
BOOKER T. WASHINGTON
MARIA MONTESSORI (1870-1952).
JOHANN SCHALL VON BELL
FRANCIS BACON (1561-1626).
DEMOCRITUS (c460-c370 B.C.).
SOCRATES (470?-399 B.C.).
JEANNE EAGELS (1894-1929).
EDWARD SOTHERN (1826-1881).
IRA ALDRIDGE (1807-1867).
ANDREW CARNEGIE
JOSEPH JEFFERSON (1829-1905).
WOODWIND ENSEMBLE.
VLADIMIR LENIN (1870-1924).
ALVIN C. YORK (1887-1964).
NORMAN ROCKWELL (1894-1978).
THOMAS H. HUXLEY (1825-1895).
ANTOINE LAURENT LAVOISIER
HENRY ENFIELD ROSCOE
HENRY CAVENDISH (1731-1810).
LOUIS AGASSIZ (1807-1873).
LEWIS LINDSAY DYCHE
MICHAEL FARADAY (1791-1867).
FRANKLIN DELANO ROOSEVELT
MARIE CURIE (1867-1934).
ALFRED von TIRPITZ (1848-1930).
CAMILLE SAINT-SAENS
AUGUSTE RODIN (1840-1917).
BEATRICE WEBB (1858-1943).
JOHN BURNS (1858-1943).
GEORGE FISHER BAKER
SAMUEL LANGHORNE CLEMENS