Ptolemy, Ancient Greek astronomer
Ptolemy, Greek astronomer, artwork
Ptolemy, Greek astronomer
Caroline Herschel, German astronomer
Giovanni Cassini, Italian astronomer
Plato, Ancient Greek philosopher
Anaximander, ancient Greek philosopher
Euclid, Ancient Greek mathematician
Ptolemy in Alexandria observatory, illustration
August Kekule, German chemist
Georg Riemann, German mathematician
David Hume, Scottish philosopher
Evariste Galois, French mathematician
Edmond Halley, caricature
Fred Hoyle, caricature
Tycho Brahe, caricature
Christiaan Huygens, caricature
Galen, Ancient Greek physician
Pierre Laplace, French mathematician
Robert Bunsen, German chemist
J. Hans D. Jensen, German physicist
Max Born, German physicist
Robert Millikan, US physicist
Abraham Maslow, US psychologist
Ernst Chain, German biochemist
Friedrich von Schelling, German philosopher
Carl Sagan, US astronomer
Edwin Hubble, US astronomer
Persi Diaconis, US mathematician
Arthur Cayley, caricature
Charles Babbage, caricature
Oswald Avery, US molecular biologist
Jean Piaget, Swiss psychologist
Joseph Gay-Lussac, French chemist
James Hansen, US atmospheric scientist
Benoit Mandelbrot, US mathematician
John Couch Adams, British astronomer
Albert Michelson, US physicist
Lazzaro Spallanzani, Italian biologist
Patrick Moore, British astronomer
Archimedes, caricature
Murray Gell-Mann, US physicist
Robert Goddard, US rocket scientist
Carl Rogers, US psychologist
Ludwig Boltzmann, Austrian physicist
Philipp Lenard, German physicist
Thomas Huxley, English biologist
Peter Higgs, British pysicist
Svante Arrhenius, Swedish chemist
Thomas Young, English polymath
Amedeo Avogadro, Italian scientist
Ernst Mayr, German evolutionary biologist
John Cockcroft, British physicist
Thomas Graham, Scottish chemist
Motoo Kimura, Japanese biologist
Charles Sanders Peirce, US philosopher
Andreas Vesalius, caricature
Antoine Lavoisier, caricature
Augustin Cauchy, caricature
David Hilbert, caricature
Ernst Kummer, caricature
James Watt, caricature
Joseph Priestley, caricature
Henri Poincare, caricature
Karl Friedrich Gauss, caricature
Kurt Godel, caricature
Leonard Euler, caricature
Lord Kelvin, caricature
Nikola Tesla, caricature
Pierre de Fermat, caricature
Richard Feynman, caricature
Dmitri Mendeleev, caricature
Alfred Russel Wallace, British naturalist
Charles Lyell, British geologist
Emil Fischer, German chemist
Ernst Mach, Austrian physicist
Jean-Baptiste Lamarck, French naturalist
Otto Stern, German-US physicist
Wilhelm Roentgen, German physicist
Charles Barkla, British physicist
Joseph Black, Scottish chemist
Socrates, Ancient Greek philosopher
Roger Bacon, English philosopher
Niels Bohr, caricature
Michel de Montaigne, French philosopher
Richard Dawkins, British science writer
Galileo Galilei, Italian astronomer
Montgolfier brothers, French balloonists
Felix Wankel, German engineer
Richard von Krafft-Ebing, German psychiatrist
Robert Stirling, Scottish clergyman and inventor
Joseph Lagrange, caricature
Bill Hamilton, British evolutionary biologist
Martin Ryle, British astronomer
Martin Rees, British astrophysicist
Tim Berners-Lee, British computer scientist
Stephen Hawking, British physicist
Ernest Rutherford, caricature
James Clerk Maxwell, caricature
Max Planck, caricature
Carl Linnaeus, Swedish botanist
Daniel Dennett, US cognitive scientist
Isaac Asimov, US author and biochemist
Steven Pinker, Canadian psychologist
Charles Darwin, caricature
Galileo Galile, Italian astronomer
Mary Anning, British palaeontologist
John Napier, Scottish mathematician
Henry Bessemer, British metallurgist
Albert Einstein, caricature
Edward Wilson, American biologist
Jared Diamond, American biologist
John Scott Haldane, caricature
Sigmund Freud, caricature
Rosalind Franklin, British chemist
Alan Turing, British mathematician
Arthur C. Clarke, British futurist
Stephen Gould, US palaeontologist
Jules Janssen, French astronomer
Hans Lippershey, Dutch optician
Johann von Goethe, German author
Otto Hahn, German chemist
Frederick Hopkins, English biochemist
Isaac Newton, English physicist
William Ramsay, Scottish chemist
Alfred North Whitehead, British mathematician
Howard Florey, Australian pathologist
Jean-Martin Charcot, French neurologist
Maurice Wilkins, British physicist
William Bateson, British geneticist
William Perkin, British chemist
William Shockley, US physicist
Thomas Huxley, caricature
Pythagoras, Ancient Greek mathematician
Francis Bacon, English philosopher
Karl Popper, Austrian-British philosopher
Percival Lowell, US astronomer
Charles Messier, French astronomer
John Ray, English naturalist
Johannes Kepler, German astronomer
Nicolaus Copernicus, Polish astronomer
Richard Leakey, palaeoanthropologist
B. F. Skinner, caricature
Brian Cox, caricature
John Maynard Smith, caricature
Carl Jung, caricature
Matt Ridley, caricature
Gottfried Leibniz, caricature
Christian Doppler, caricature
Gottlieb Daimler, German industrialist
Rudolph Diesel, German mechanical engineer
astronomer icon
17th Century astronomer, illustration
Wilhelm Foerster, German astronomer
Claudius Ptolemaeus, Greek astronomer
William Herschel, British astronomer
Galileo Galilei, Italian astronomer, 19th C illustration
Ptolemy and Euclid, 17th century artwork
Christopher Wren, English architect
Paul Dirac, British physicist
Robert Koch, German bacteriologist
Georgius Agricola, German mineralogist
Hugo de Vries, Dutch botanist
Johann Ritter, German physicist
Aristotle, Ancient Greek philosopher
Jean Lamarck, caricature
Charles Lyell, caricature
Sir Richard Owen, caricature
Alfred Wallace, caricature
Hippocrates, Ancient Greek physician
Carl Von Steinheil, German physicist
Frank Whittle, caricature
John Logie Baird, caricature
David Attenborough, British naturalist
Persius, Roman poet
Ismail Bouillaud, French astronomer
Roger Joseph Boscovich, astronomer
Albert Einstein, Swiss-German physicist
Philosopher delivering speech to sleeping audience, illustration
The Astronomer, 18th century painting
Thomas Hunt Morgan, US geneticist