Just click the name you wish to see; and by clicking the name of a portrait, you can find a brief note on that person. Also, visit Portraits and Portraits 2.

Daniel Bernoulli (1700-1782)

Joseph-Louis Lagrange (1736-1813)

Karl Friedrich Gauss (1777-1855)

Augustus de Morgan (1806-1871)

George Boole (1815-1864)

William Stanley Jevons (1835-1882)

Georg Cantor (1845-1918)

Gottlob Frege (1848-1925)

Henri Poincare (1854-1912)

Karl Pearson (1857-1936)

David Hilbert (1862-1943)

Bertrand Russell (1872-1970)

L.E.J.Brouwer (1881-1966)

John von Neumann (1903-1957)

Kurt Goedel (1906-1978)

Willard V. Quine (1908-2000)

Francis Bacon (1561-1626)

Rene Descartes (1596-1650)

Immanuel Kant (1724-1804)

John Stuart Mill (1806-1873)

Herbert Spencer (1820-1903)

Ernst Mach (1838-1916)

C.S.Peirce (1839-1914)

Moritz Schlick (1882-1936)

Rudolf Carnap (1891-1970)

Hans Reichenbach (1891-1953)

Karl Popper (1902-1994)

Frank P. Ramsey (1903-1930)

Carl Hempel (1905-1997)

Arthur W. Burks (1915-2008)

Imre Lakatos (1922-1974)

Wesley Salmon and Merrilee Salmon (1925-2001) and (1935-)

Christiaan Huygens (1629-1695)

Karl Schwarzschild (1873-1916)

James Franck (1882-1964)

Niels Bohr (1885-1962)

Louis de Broglie (1892-1987)

Leo Szilard (1898-1964)

Edward Teller (1908-2003)

John Archibald Wheeler (1911-2008)

Jane Goodall (1934- )