Robert Bunsen, German chemist
Joseph Black, Scottish chemist
August Kekule, German chemist
Thomas Graham, Scottish chemist
Joseph Gay-Lussac, French chemist
Svante Arrhenius, Swedish chemist
Georg Riemann, German mathematician
Evariste Galois, French mathematician
Amedeo Avogadro, Italian scientist
Wilhelm Roentgen, German physicist
Ernst Chain, German biochemist
Emil Fischer, German chemist
Robert Stirling, Scottish clergyman and inventor
Joseph Priestley, caricature
Dmitri Mendeleev, caricature
Robert Millikan, US physicist
Max Born, German physicist
Caroline Herschel, German astronomer
David Hume, Scottish philosopher
Ptolemy, Ancient Greek astronomer
Robert Goddard, US rocket scientist
Galen, Ancient Greek physician
Jean-Baptiste Lamarck, French naturalist
Murray Gell-Mann, US physicist
Persi Diaconis, US mathematician
Friedrich von Schelling, German philosopher
Otto Hahn, German chemist
William Ramsay, Scottish chemist
William Perkin, British chemist
Tim Berners-Lee, British computer scientist
Ernst Mayr, German evolutionary biologist
Antoine Lavoisier, caricature
J. Hans D. Jensen, German physicist
Abraham Maslow, US psychologist
Henri de Ruolz, French industrial chemist
Alfred Russel Wallace, British naturalist
Ernst Mach, Austrian physicist
Philipp Lenard, German physicist
Thomas Huxley, English biologist
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
Charles Barkla, British physicist
John Cockcroft, British physicist
Plato, Ancient Greek philosopher
Frederick Hopkins, English biochemist
Mary Anning, British palaeontologist
Felix Wankel, German engineer
Hans Lippershey, Dutch optician
William Shockley, US physicist
Charles Lyell, British geologist
Ludwig Boltzmann, Austrian physicist
Peter Higgs, British pysicist
Carl Rogers, US psychologist
Euclid, Ancient Greek mathematician
James Hansen, US atmospheric scientist
Benoit Mandelbrot, US mathematician
Isaac Newton, English physicist
Charles Sanders Peirce, US philosopher
Arthur Cayley, caricature
Augustin Cauchy, caricature
Charles Babbage, caricature
David Hilbert, caricature
Ernst Kummer, caricature
James Watt, caricature
Henri Poincare, caricature
Karl Friedrich Gauss, caricature
Lord Kelvin, caricature
Nikola Tesla, caricature
Niels Bohr, caricature
Howard Florey, Australian pathologist
William Bateson, British geneticist
Richard Feynman, caricature
Richard von Krafft-Ebing, German psychiatrist
Alfred Nobel, Swedish chemist
Lazzaro Spallanzani, Italian biologist
Bill Hamilton, British evolutionary biologist
Moritz Hermann von Jacobi, German physicist
Jean-Martin Charcot, French neurologist
Henry Cavendish, British chemist
Arthur C. Clarke, British futurist
Motoo Kimura, Japanese biologist
Louis Daguerre, French inventor
Ernest Rutherford, caricature
Rudolph Diesel, German mechanical engineer
Roger Bacon, English philosopher
Michel de Montaigne, French philosopher
Richard Dawkins, British science writer
Andreas Vesalius, caricature
Edmond Halley, caricature
Fred Hoyle, caricature
Kurt Godel, caricature
Leonard Euler, caricature
Pierre de Fermat, caricature
Tycho Brahe, caricature
Christiaan Huygens, caricature
Pierre-Oscar Figuier, French chemist
Johann Kunckel, German chemist
Montgolfier brothers, French balloonists
Tessie du Motay, French chemist
Max Planck, caricature
Joseph Lagrange, caricature
Robert Koch, German bacteriologist
Johann von Goethe, German author
Alfred North Whitehead, British mathematician
John Couch Adams, British astronomer
Henry Bessemer, British metallurgist
Linus Pauling, US chemist
Christian Schoenbein, German chemist
Franz Achard, German chemist
Archimedes, caricature
Johann Ritter, German physicist
John Scott Haldane, caricature
Louis Thenard, French chemist
Gottlieb Daimler, German industrialist
Theophile-Jules Pelouze, French Chemist
Rosalind Franklin, British chemist
John Ray, English naturalist
Stephen Hawking, British physicist
James Clerk Maxwell, caricature
Charles Darwin, caricature
Martin Rees, British astrophysicist
Alan Turing, British mathematician
Carl Sagan, US astronomer
Daniel Dennett, US cognitive scientist
Patrick Moore, British astronomer
Thomas Huxley, caricature
John Napier, Scottish mathematician
Maurice Wilkins, British physicist
Louis Pasteur, French microbiologist
Pavel Yablochkov, Russian
Friedrich Wohler, German chemist
Anaximander, ancient Greek philosopher
Antoine Lavoisier, French chemist
Albert Einstein, Swiss-German physicist
Fluorine preparation, 19th Century illustration
Karl Popper, Austrian-British philosopher
Guyton de Morveau, French chemist
Henri Etienne St Claire Deville, French chemist
Carl Linnaeus, Swedish botanist
Edwin Hubble, US astronomer
Isaac Asimov, US author and biochemist
Richard Leakey, palaeoanthropologist
Steven Pinker, Canadian psychologist
Stephen Gould, US palaeontologist
Paul Dirac, British physicist
Hugo de Vries, Dutch botanist
Benjamin Franklin, US scientist
Martin Ryle, British astronomer
Christian Doppler, caricature
Robert Winston, British scientist
Thomas Hunt Morgan, US geneticist
Theodosius Dobzhansky, Russian-US geneticist
Charles Wheatstone, British physicist
Blaise Pascal, French mathematician
Gustav Froment, French electrical engineer
Georges-Louis Le Sage, Swiss physicist
Louis Breguet
Jons Jacob Berzelius, Swedish chemist
Marie and Pierre Curie, physicists
Ronald Fisher, British statistician and geneticist
Edward Wilson, American biologist
Jared Diamond, American biologist
Alvaro Reynoso Valdes, Cuban scientist
Jacques Charles, French balloonist
Making nitroglycerine, 19th Century illustration
Michel Chevreul, French chemist
Sophie Germain, French mathematician
Philosopher delivering speech to sleeping audience, illustration
August Weismann, German evolutionary biologist
Jean-Pierre-Joseph Darcet, French chemist
Albert Einstein, caricature
Francis Bacon, English philosopher
Socrates, Ancient Greek philosopher
Sigmund Freud, caricature
Robert Watson-Watt, British physicist
Hiker by W. Heath Robinson
Andre-Marie Ampere, French physicist
Henri Becquerel, French physicist
George Boole, British mathematician