Joseph Jackson, English typefounder
Aristotle, Ancient Greek philosopher
Sallust, Roman historian
Agrippa, Roman general
Seneca the Elder, Roman orator
Persius, Roman poet
Charles Townley, British antiquarian
Constantine I, Roman emperor
Heinrich Schliemann, German archaeologist
Pedanius Dioscorides, Greek physician
John Logie Baird, caricature
John Fothergill, English physician
Jeremy Bentham, British philosopher
Henry Cavendish, British chemist
James Hutton, British geologist
William Cuming, Scottish physician
Homer, Ancient Greek poet
George Boole, British mathematician
Edward Kelley, English astrologer
George Berkeley, Irish philosopher
Charles Coulomb, French physicist
Hans Christian Oersted, Danish physicist
Alessandro Volta, Italian physicist
Richard Pulteney, British botanist
Ancient Greek warrior
Pythagoras, Ancient Greek mathematician
Socrates, Ancient Greek philosopher
Joseph Lister, British surgeon
Henri Becquerel, French physicist
Arthur Schopenhauer, German philosopher
Jules Verne, French novelist
Boar hunting in Ancient Greece
Brian Cox, caricature
Charles Darwin, caricature
John Scott Haldane, caricature
Richard Dawkins, British science writer
Heinrich Hertz, German physicist
Andrew Wiles, British mathematician
Andre-Marie Ampere, French physicist
Frontispiece for 'Osteographia' (1733)
William Cullen, Scottish physician
Crawford Long, US surgeon
Ancient Greek athletes running, illustration
Cabbage palm (Sabal palmetto)
Anacyclus valentina, artwork
Centaurea glastifolia, artwork
Siberian iris (Iris sibirica), artwork
Field poppy (Papaver rhoeas), artwork
Oriental poppy (Papaver orientale)
Fishtail palm (Caryota urens), artwork
Tulip (Tulipa sp.), artwork
Tea (Thea chinensis) plant, artwork
Australian pitcher plant, artwork
Brassila cretica plant, artwork
Francis Bacon, English philosopher
John Bardeen, US physicist
Cicero, Roman philosopher
Watt's steam engine, historical artwork
Max Planck, caricature
Luigi Galvani, Italian anatomist
James Joule, British physicist
Georg Ohm, German physicist
Robert Oppenheimer, US physicist
Robert Watson-Watt, British physicist
Alfred Wegener, German geophysicist
Daniel Dennett, US cognitive scientist
B. F. Skinner, caricature
Karl Popper, Austrian-British philosopher
The Globe of Crates, historical artwork
John Hunter, Scottish surgeon
A. van Leeuwenhoek, Dutch microbiologist
Night-blooming cereus, artwork
Archilochus of Paros, Ancient Greek poet
Sappho, Ancient Greek poet
Ernst von Dechen, German geologist
Virgil, Roman poet
Alfred Brehm, German zoologist
Jean-Jacques Rousseau, French philosopher
Heinrich Barth, German explorer
Christian Ehrenberg, German naturalist
Carl Ritter, German geographer
Hermann Kolbe, German chemist
Wilhelm Foerster, German astronomer
Lighthouse of Alexandria, illustration
Centaurs, 19th Century illustration
Roman bridge building, illustration
Guillaume Carcel, french inventor
19th Century furnace for gas lighting
Ernst von Bergmann, German surgeon
Albrecht Wilhelm Roth, German botanist
Plato, Ancient Greek philosopher
Roman library, Late Roman Empire
19th Century amphibious vehicle, artwork
19th Century safety lamps, artwork
Nasmyth's steam hammer, artwork
Roman baths, artwork
Roman water pump design, artwork
Frank Whittle, caricature
Joseph Lagrange, caricature
Matt Ridley, caricature
John Maynard Smith, caricature
Linus Pauling, US chemist
Charles and Roberts' hydrogen balloon, 1783
Ancient Egyptian scribe working, illustration
Carl Jung, caricature
Sigmund Freud, caricature
Prokop Divis, Czech scientist
Carl Merck, German naturalist
Adolf Bastian, German ethnologist
Louis Stromeyer, German surgeon, artwork
Hermann von Wissmann, German explorer
Friedrich Jahn, German gymnastics teacher
Bernhard von Gudden, German anatomist
Friedrich von Frerichs, German optician
Ferdinand von Hebra, Austrian physician
Hercules and the Cercopes, 5th century BC sculpture
19th Century parallel-flow turbine
Statue of Zeus at Olympia, illustration
Seven Sages of Greece, 15th century illustration
Worldview of Thales of Miletus, artwork
Wynkyn de Worde, English printer
Joseph Priestley, caricature
John Nichols, British antiquarian
Insects of Surinam, 18th century artwork
Adorne's hot air balloon, 1784
Blanchard's first Channel-crossing balloon, 1785
19th Century internal combustion engine
Newton's telescope, historical artwork
Pascal's calculator, 17th Century artwork
Carbon microphone, 19th century illustration
Archimedes, caricature
Peach Prunus persica, artwork
Gymea lily, 19th century
Cinnamon flowers and leaves
Cucumber tree fruits
Purple gentian flowers
Malabar arrowroot flowers and rhizome
Black pepper growing on the vine
Water lily (Nymphaea ampla), artwork
Sorksbill (Erodium glandulosum), artwork
Edmondia sesamoides, artwork
Capillipedium parviflorum, artwork
Alga (Ulva lingulata), artwork
Alga (Ulva pavonia), artwork
Kelp (Fucus agarum), artwork
Kelp (Fucus radiatus), artwork
Kelp (Fucus bulbosus), artwork
Kelp (Fucus digitatus), artwork
Kelp (Fucus crispus), artwork
Kelp (Fucus saccatus), artwork
Borospherene molecule, illustration
Philippe Lebon, French engineer
Robert Brown, Scottish botanist
Representation of a bathtub in bathroom
Colosseum in Rome, artwork
Early German typewriter
Persi Diaconis, US mathematician
Roman arch construction, artwork
Xenocrates, Ancient Greek philosopher
Roman temple, artwork
Roman domus, artwork
Mycenaean warrior, illustration
Arum dioscoridis, 19th century
Red hot poker (Norantea guianensis) plant
Black henbane (Hyoscyamus niger) flower
Goethea strictiflora flower, artwork
Water lily (Nymphaea capensis), artwork
Brown Bess, British Army musket, illustration
Dwarf pogon iris (Iris pumila), artwork
Ernest Rutherford, caricature
Albert Einstein, Swiss-German physicist
Galileo Galilei, Italian astronomer
Hermann von Helmholtz, German physicist
Heinrich Dove, Prussian physicist
Gods on Mount Olympus, 19th Century illustration
Martin Lichtenstein, German physician
Alan Turing, British mathematician
Croesus on the stake, historical artwork
Coconut
Conifer, artwork
Chilon of Sparta, 17th century illustration
Cleobulus of Lindos, Greek poet
Savery's steam engine pump, 1699 illustration
Hermes sculpture of Praxiteles.
Richard Pynson, English printer
15th century ship
19th Century velocipede, artwork