Carl Sagan, US astronomer
Edwin Hubble, US astronomer
Stephen Gould, US palaeontologist
Isaac Asimov, US author and biochemist
Carl Linnaeus, Swedish botanist
Christiaan Huygens, caricature
Arthur C. Clarke, British futurist
Rosalind Franklin, British chemist
Stephen Hawking, British physicist
Richard Leakey, palaeoanthropologist
Patrick Moore, British astronomer
Daniel Dennett, US cognitive scientist
Fred Hoyle, caricature
Tycho Brahe, caricature
Ernest Rutherford, caricature
Max Planck, caricature
Niels Bohr, caricature
Steven Pinker, Canadian psychologist
Richard Dawkins, British science writer
Edmond Halley, caricature
Edward Wilson, American biologist
Jared Diamond, American biologist
Archimedes, caricature
Galileo Galilei, Italian astronomer
Pierre Laplace, French mathematician
Dmitri Mendeleev, caricature
James Clerk Maxwell, caricature
Alan Turing, British mathematician
Charles Darwin, caricature
Robert Winston, British scientist
Robert Goddard, US rocket scientist
Giovanni Cassini, Italian astronomer
Ptolemy, Ancient Greek astronomer
Carl Rogers, US psychologist
Emil Fischer, German chemist
David Hilbert, caricature
Henri Poincare, caricature
James Hansen, US atmospheric scientist
Arthur Cayley, caricature
Charles Babbage, caricature
Albert Michelson, US physicist
Caroline Herschel, German astronomer
Frank Whittle, caricature
John Logie Baird, caricature
David Attenborough, British naturalist
Alfred Russel Wallace, British naturalist
Ernst Mach, Austrian physicist
Philipp Lenard, German physicist
Joseph Priestley, caricature
Kurt Godel, caricature
Nikola Tesla, caricature
Richard Feynman, caricature
Gottfried Leibniz, caricature
Joseph Lagrange, caricature
Christian Doppler, caricature
Benoit Mandelbrot, US mathematician
Ernst Kummer, caricature
Lord Kelvin, caricature
Albert Einstein, Swiss-German physicist
John Bardeen, US physicist
Linus Pauling, US chemist
August Kekule, German chemist
Charles Lyell, British geologist
Georg Riemann, German mathematician
Jean-Baptiste Lamarck, French naturalist
Ludwig Boltzmann, Austrian physicist
Thomas Huxley, English biologist
Andreas Vesalius, caricature
Antoine Lavoisier, caricature
Augustin Cauchy, caricature
James Watt, caricature
Karl Friedrich Gauss, caricature
Leonard Euler, caricature
Pierre de Fermat, caricature
Abraham Maslow, US psychologist
Robert Millikan, US physicist
Oswald Avery, US molecular biologist
Otto Stern, German-US physicist
Euclid, Ancient Greek mathematician
Motoo Kimura, Japanese biologist
Svante Arrhenius, Swedish chemist
John Couch Adams, British astronomer
Charles Sanders Peirce, US philosopher
Otto Hahn, German chemist
Bill Hamilton, British evolutionary biologist
Wilhelm Foerster, German astronomer
John Scott Haldane, caricature
Henri Becquerel, French physicist
Karl Popper, Austrian-British philosopher
Robert Watson-Watt, British physicist
Alfred Wegener, German geophysicist
Andrew Wiles, British mathematician
Martin Ryle, British astronomer
Sophie Germain, French mathematician
Robert Oppenheimer, US physicist
Anaximander, ancient Greek philosopher
Plato, Ancient Greek philosopher
Charles Barkla, British physicist
Ernst Chain, German biochemist
Ernst Mayr, German evolutionary biologist
John Cockcroft, British physicist
Jean Piaget, Swiss psychologist
J. Hans D. Jensen, German physicist
Max Born, German physicist
Peter Higgs, British pysicist
Wilhelm Roentgen, German physicist
Percival Lowell, US astronomer
Tim Berners-Lee, British computer scientist
Joseph Black, Scottish chemist
Persi Diaconis, US mathematician
Hans Lippershey, Dutch optician
Albert Einstein, caricature
Carl Jung, caricature
B. F. Skinner, caricature
Brian Cox, caricature
John Maynard Smith, caricature
Matt Ridley, caricature
Joseph Lister, British surgeon
J. J. Thomson, British physicist
Jules Verne, French novelist
Sigmund Freud, caricature
Andre-Marie Ampere, French physicist
Francis Bacon, English philosopher
George Berkeley, Irish philosopher
George Boole, British mathematician
Henry Cavendish, British chemist
Charles Coulomb, French physicist
Georges Cuvier, French zoologist
Hermann von Helmholtz, German physicist
Heinrich Hertz, German physicist
James Joule, British physicist
A. van Leeuwenhoek, Dutch microbiologist
Hans Christian Oersted, Danish physicist
Georg Ohm, German physicist
Louis Pasteur, French microbiologist
Pythagoras, Ancient Greek mathematician
Arthur Schopenhauer, German philosopher
Socrates, Ancient Greek philosopher
Alessandro Volta, Italian physicist
Alfred Wallace, caricature
17th Century rooftop observatories
Claudius Ptolemaeus, Greek astronomer
Nicolaus Copernicus, Polish astronomer
Edward Sabine, British astronomer
Martin Rees, British astrophysicist
Thomas Huxley, caricature
Sir Richard Owen, caricature
Galen, Ancient Greek physician
Thomas Graham, Scottish chemist
Amedeo Avogadro, Italian scientist
Joseph Gay-Lussac, French chemist
Robert Bunsen, German chemist
David Hume, Scottish philosopher
Evariste Galois, French mathematician
Thomas Young, English polymath
Paul Dirac, British physicist
Robert Koch, German bacteriologist
Luigi Galvani, Italian anatomist
Johann von Goethe, German author
John Napier, Scottish mathematician
Mars Viking orbiter, artwork
Murray Gell-Mann, US physicist
William Shockley, US physicist
Felix Wankel, German engineer
Friedrich von Schelling, German philosopher
Michel de Montaigne, French philosopher
Roger Bacon, English philosopher
Howard Florey, Australian pathologist
Alfred North Whitehead, British mathematician
Viking lander spacecraft, illustration
Alexander Fleming, caricature
Johannes Kepler, German astronomer
Mary Anning, British palaeontologist
Lazzaro Spallanzani, Italian biologist
Jules Janssen, French astronomer
Galileo Galile, Italian astronomer
Edwin Powell Hubble, US astronomer
Jeremy Bentham, British philosopher
James Hutton, British geologist
Gregor Mendel, Austrian botanist
Jean Lamarck, caricature
Charles Lyell, caricature
Carl Sagan, conceptual illustration
Thomas Hunt Morgan, US geneticist
William Tulley, British optics maker
BAAS meeting, Southampton, 1846
Compound microscope, 17th Century artwork
Maurice Wilkins, British physicist
William Bateson, British geneticist