August Kekule, German chemist
Georg Riemann, German mathematician
Joseph Priestley, caricature
Emil Fischer, German chemist
Robert Bunsen, German chemist
Ernst Mach, Austrian physicist
Philipp Lenard, German physicist
Dmitri Mendeleev, caricature
James Watt, caricature
Lord Kelvin, caricature
Nikola Tesla, caricature
Evariste Galois, French mathematician
Svante Arrhenius, Swedish chemist
Thomas Graham, Scottish chemist
Joseph Gay-Lussac, French chemist
Antoine Lavoisier, caricature
Leonard Euler, caricature
Pierre de Fermat, caricature
Christiaan Huygens, caricature
Alfred Russel Wallace, British naturalist
Jean-Baptiste Lamarck, French naturalist
Thomas Huxley, English biologist
Arthur Cayley, caricature
Augustin Cauchy, caricature
Charles Babbage, caricature
David Hilbert, caricature
Ernst Kummer, caricature
Henri Poincare, caricature
Karl Friedrich Gauss, caricature
Otto Hahn, German chemist
Friedrich von Schelling, German philosopher
Ernst Chain, German biochemist
Joseph Black, Scottish chemist
Wilhelm Roentgen, German physicist
Amedeo Avogadro, Italian scientist
Charles Barkla, British physicist
Ernest Rutherford, caricature
James Clerk Maxwell, caricature
Max Planck, caricature
Charles Lyell, British geologist
Ludwig Boltzmann, Austrian physicist
Robert Goddard, US rocket scientist
Benoit Mandelbrot, US mathematician
Max Born, German physicist
David Hume, Scottish philosopher
Ptolemy, Ancient Greek astronomer
Murray Gell-Mann, US physicist
Persi Diaconis, US mathematician
Andreas Vesalius, caricature
Edmond Halley, caricature
Fred Hoyle, caricature
Kurt Godel, caricature
Richard Feynman, caricature
Tycho Brahe, caricature
Joseph Lagrange, caricature
Ernst Mayr, German evolutionary biologist
Caroline Herschel, German astronomer
Niels Bohr, caricature
J. Hans D. Jensen, German physicist
Robert Millikan, US physicist
Abraham Maslow, US psychologist
Albert Michelson, US physicist
Oswald Avery, US molecular biologist
Otto Stern, German-US physicist
Pierre Laplace, French mathematician
Thomas Young, English polymath
Giovanni Cassini, Italian astronomer
Jean Piaget, Swiss psychologist
Galen, Ancient Greek physician
John Cockcroft, British physicist
Charles Darwin, caricature
William Ramsay, Scottish chemist
William Perkin, British chemist
Johann von Goethe, German author
Rosalind Franklin, British chemist
Archimedes, caricature
Stephen Hawking, British physicist
Peter Higgs, British pysicist
Plato, Ancient Greek philosopher
Carl Rogers, US psychologist
Euclid, Ancient Greek mathematician
James Hansen, US atmospheric scientist
Daniel Dennett, US cognitive scientist
Patrick Moore, British astronomer
Steven Pinker, Canadian psychologist
Charles Sanders Peirce, US philosopher
Frederick Hopkins, English biochemist
Howard Florey, Australian pathologist
William Bateson, British geneticist
Christian Doppler, caricature
Alfred North Whitehead, British mathematician
Hans Lippershey, Dutch optician
John Napier, Scottish mathematician
Mary Anning, British palaeontologist
Thomas Huxley, caricature
Henry Cavendish, British chemist
Lazzaro Spallanzani, Italian biologist
Bill Hamilton, British evolutionary biologist
Edward Wilson, American biologist
Tim Berners-Lee, British computer scientist
Gottfried Leibniz, caricature
Alan Turing, British mathematician
Arthur C. Clarke, British futurist
Carl Sagan, US astronomer
Carl Linnaeus, Swedish botanist
Edwin Hubble, US astronomer
Isaac Asimov, US author and biochemist
Richard Leakey, palaeoanthropologist
Richard Dawkins, British science writer
Stephen Gould, US palaeontologist
Johann Ritter, German physicist
Motoo Kimura, Japanese biologist
Michel de Montaigne, French philosopher
Isaac Newton, English physicist
John Scott Haldane, caricature
Montgolfier brothers, French balloonists
Richard von Krafft-Ebing, German psychiatrist
Robert Stirling, Scottish clergyman and inventor
Maurice Wilkins, British physicist
William Shockley, US physicist
Linus Pauling, US chemist
Paul Dirac, British physicist
Robert Koch, German bacteriologist
Jared Diamond, American biologist
John Couch Adams, British astronomer
Henry Bessemer, British metallurgist
Jean-Martin Charcot, French neurologist
Thomas Hunt Morgan, US geneticist
Albert Einstein, caricature
Marie and Pierre Curie, physicists
Franz Achard, German chemist
Roger Bacon, English philosopher
Henri de Ruolz, French industrial chemist
Felix Wankel, German engineer
Martin Rees, British astrophysicist
Jean Lamarck, caricature
Charles Lyell, caricature
Sir Richard Owen, caricature
Alfred Wallace, caricature
Frank Whittle, caricature
John Logie Baird, caricature
Johann Kunckel, German chemist
Tessie du Motay, French chemist
Pierre-Oscar Figuier, French chemist
Andre-Marie Ampere, French physicist
Hermann von Helmholtz, German physicist
Heinrich Hertz, German physicist
Hans Christian Oersted, Danish physicist
Anaximander, ancient Greek philosopher
Albert Einstein, Swiss-German physicist
James Joule, British physicist
Georg Ohm, German physicist
Alessandro Volta, Italian physicist
Friedrich Wohler, German chemist
Alfred Nobel, Swedish chemist
Jacques Charles, French balloonist
Francis Bacon, English philosopher
Karl Popper, Austrian-British philosopher
Sigmund Freud, caricature
John Ray, English naturalist
August Weismann, German evolutionary biologist
Compound microscope, 17th Century artwork
Louis Thenard, French chemist
B. F. Skinner, caricature
Brian Cox, caricature
John Maynard Smith, caricature
Matt Ridley, caricature
Theophile-Jules Pelouze, French Chemist
David Attenborough, British naturalist
Pavel Yablochkov, Russian
Leon Foucault, French physicist
Robert Winston, British scientist
Hugo de Vries, Dutch botanist
Martin Ryle, British astronomer
Louis Pasteur, French microbiologist
Michel Chevreul, French chemist
Rudolph Diesel, German mechanical engineer
Watson and Crick, discoverers of DNA
Theodosius Dobzhansky, Russian-US geneticist
Tabarin character, 19th Century illustration
Sophie Germain, French mathematician
Jons Jacob Berzelius, Swedish chemist
Ronald Fisher, British statistician and geneticist
Ernst Haekel, German naturalist
Robert Watson-Watt, British physicist
Socrates, Ancient Greek philosopher
Leonhard Euler, Swiss mathematician
Henri Becquerel, French physicist
George Boole, British mathematician
Charles Coulomb, French physicist