John Fothergill, English physician
William Cuming, Scottish physician
Richard Pulteney, British botanist
John Hunter, Scottish surgeon
Charles Leigh, English physician
Johann Zimmermann, Swiss naturalist
Alfred Brehm, German zoologist
Joseph Banks, English naturalist
Benjamin Stillingfleet, British botanist
Christian Ehrenberg, German naturalist
Xavier Bichat, French pathologist
William Cullen, Scottish physician
Carl Ritter, German geographer
Hermann Kolbe, German chemist
Wilhelm Foerster, German astronomer
Alexander von Humboldt, German naturalist
Charles Darwin, caricature
Carl Merck, German naturalist
Franz Joseph Gall, German physiologist
Martin Lichtenstein, German physician
Leonhart Fuchs, German botanist
Carl Linnaeus, Swedish botanist
Henry Cavendish, British chemist
Richard Richardson, English botanist
Ulisse Aldrovandi, Italian naturalist
Jean-Baptiste Bourgery, French anatomist
Bernhard von Gudden, German anatomist
Bernard de Jussieu, French botanist
Herman Boerhaave, Dutch physician
Robert Brown, Scottish botanist
John Scott Haldane, caricature
Heinrich Barth, German explorer
Ferdinand von Hebra, Austrian physician
Joseph Jackson, English typefounder
Hans Christian Oersted, Danish physicist
Heinrich Dove, Prussian physicist
James Edward Smith, British botanist
William Stukeley, English antiquarian
James Hutton, British geologist
Comte de Buffon, French naturalist
Daniel Dennett, US cognitive scientist
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
John Lettsome, British entomologist
George Boole, British mathematician
Heinrich Hertz, German physicist
Jean Fernel, French physician
Night-blooming cereus, artwork
Daniel Hanbury, British pharmacologist
Crawford Long, US surgeon
Heinrich Schliemann, German archaeologist
Richard Dawkins, British science writer
Georges Cuvier, French zoologist
Pedanius Dioscorides, Greek physician
Gaspard Bauhin, Swiss botanist
Max Planck, caricature
George Romanes, English naturalist
Francis Bacon, English philosopher
John Evelyn, English author
Guarana plant (Paullina cupana), artwork
Prokop Divis, Czech scientist
Lionel Adams, British zoologist
Louis Agassiz, Swiss-US naturalist
Thomas Huxley, British naturalist
Charles Darwin, British naturalist
Adolf Bastian, German ethnologist
Jean-Jacques Rousseau, French philosopher
Edward Kelley, English astrologer
Alfred Wegener, German geophysicist
Andrew Wiles, British mathematician
Karl Popper, Austrian-British philosopher
John Logie Baird, caricature
Benjamin Waterhouse, US physician
John Maynard Smith, caricature
Thomas Bewick, English ornithologist
Xavier Bichat, French anatomist
Thomas Sydenham, English physician
Brian Cox, caricature
John Lubbock, British biologist
George Berkeley, Irish philosopher
Charles Coulomb, French physicist
Alessandro Volta, Italian physicist
Luigi Galvani, Italian anatomist
Henry Adams, British zoologist
Joseph Lagrange, caricature
Franz Gall, German physiologist
Andre-Marie Ampere, French physicist
Monkshood (Aconitum variegatum)
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
Christiaan Huygens, caricature
Dmitri Mendeleev, caricature
James Clerk Maxwell, caricature
Water lily, 18th century
Steven Pinker, Canadian psychologist
Rosalind Franklin, British chemist
Jeremy Bentham, British philosopher
Stephen Gould, US palaeontologist
Arum dioscoridis, 19th century
Red hot poker (Norantea guianensis) plant
Black henbane (Hyoscyamus niger) flower
Goethea strictiflora flower, artwork
Water lily (Nymphaea capensis), artwork
Heart anatomy, 19th Century illustration
Human arteries, 19th Century illustration
Dwarf pogon iris (Iris pumila), artwork
Ernst von Dechen, German geologist
Friedrich von Frerichs, German optician
Henri Becquerel, French physicist
Arthur Schopenhauer, German philosopher
Aristotle, Ancient Greek philosopher
Sallust, Roman historian
Heinrich Pantaleon, Swiss physician
John Lindley, British botanist
Bat, historical artwork
Human skeleton, historical artwork
Albrecht von Haller, Swiss anatomist
Coconut
Maria Merian, German naturalist
Sigmund Freud, caricature
Emil Rossmassler, German biologist
Casimir Davaine, French physician
William Beaumont, US surgeon
Ipoh (Antiaris toxicaria), 19th C illustration
Baobab (Adansonia sp.) tree, 19th C illustration
Antoine Lavoisier, French chemist
B. F. Skinner, caricature
Xavier Bichat, French anatomist, illustration
Nerium oleander, 19th century
Strobilantes flowers
Malay apple flowers and fruit
East Indian Klugia flowers
A. van Leeuwenhoek, Dutch microbiologist
Pierre-Joseph Desault, French anatomist
Insects of Surinam, 18th century artwork
Ernst Kummer, caricature
Patrick Moore, British astronomer
Joseph Banks, British naturalist
Sydney Parkinson, Scottish artist
Edward Wilson, American biologist
Niels Bohr, caricature
Orchid (Masdevallia chimaera), artwork
Matthias Untzer, German physician
Rock orchid flowers
Wild hibiscus flowers
Rhododendron flowers, artwork
William Gilbert, English physician
Ernst von Bergmann, German surgeon
Albrecht Wilhelm Roth, German botanist
Ernest Rutherford, caricature
Michel Chevreul, French chemist
Sir Richard Owen, British palaeontologist
Robert Brown, British botanist
Isaac Asimov, US author and biochemist
Augustin Cauchy, caricature