Joseph Lakanal, French politician
Marquis de Condorcet, French politician
Society of the Friends of Truth meeting, 19th C illustration
Claude Adrien Helvetius, French philosopher
Blaise Pascal, French mathematician
Henry Hardinge, British politician
Guyton de Morveau, French chemist
Friedrich von Schelling, German philosopher
Anne Louise Germaine Necker, French writer
Rene Descartes, French mathematician
Compound microscope, 17th Century artwork
Sophie Germain, French mathematician
Jules Janssen, French astronomer
Louis Thenard, French chemist
Pierre-Paul Riquet, French engineer
Salomon de Caus, French engineer
Tessie du Motay, French chemist
Gustav Froment, French electrical engineer
Armand-Pierre Seguier, French lawyer
Theophile-Jules Pelouze, French Chemist
Joseph Louis Proust, French chemist
Henri de Ruolz, French industrial chemist
Jean Jacques Victor Coste, French biologist
Henri Etienne St Claire Deville, French chemist
Emile Flourens, French politician
Francis Bacon, English philosopher
Pierre Victor Malouet, French politician
19th Century freemasons, illustration
Joseph Lagrange, caricature
Denis Diderot, French encyclopedist
Voltaire, French author and poet
Karl Popper, Austrian-British philosopher
Pliny the Elder, Roman philosopher
Gilbert Romme, French politician and mathematician
Evariste Galois, French mathematician
Jean Chaffanjon, French explorer
Joseph-Francois Malgaigne, French surgeon
Xavier Bichat, French anatomist
Jules-Auguste Beclard, French physician
Elie de Beaumont, French geologist
Emperor of Morocco, 19th Century illustration
Georges Cuvier, French zoologist
Carl Ritter, German geographer
Pavel Yablochkov, Russian
Athanasius Kircher, German Jesuit scholar
John Scott Haldane, caricature
Comte de Buffon, French naturalist
Guillaume Carcel, french inventor
Francois Sudre, French composer
Ernest Petin, French balloonist
Jacques-Constantin Perier, French engineer
Charles de Changy, French engineer
Marcel Deprez, French electrical engineer
Jean-Pierre Blanchard, French balloon pioneer
Emile Pereire, French banker and businessman
19th Century boar hunting, illustration
William Pitt the Younger, British politician
Michel de Montaigne, French philosopher
Franklin's kite experiment, illustration
Joseph Priestley, caricature
Benjamin Rush, US physician and politician
Sadi Carnot, French President
Charles de Freycinet, French statesman
Jean-Sifrein Maury, French cardinal
Victor Hugo, French Author, illustration
Aristotle, Ancient Greek philosopher
Jacques Charles, French balloonist
Leon Foucault, French physicist
Voltaire, French author
Pierre-Oscar Figuier, French chemist
Andre-Marie Ampere, French physicist
David Hume, Scottish philosopher
Anaximander, ancient Greek philosopher
Georg Riemann, German mathematician
Gaspare Aselli, Italian surgeon
Isaac Barrow, English mathematician
Johann Kaspar Lavater, Swiss theologist
Andreas Vesalius, Belgian anatomist
Augustin Cauchy, caricature
David Hilbert, caricature
Ernst Kummer, caricature
Henri Poincare, caricature
Karl Friedrich Gauss, caricature
Oliver Cromwell, English politician
Johann Kunckel, German chemist
Jean Louis Armand de Quatrefages, French biologist
Jean Baptiste De La Salle, French priest
Theodose Du Moncel, French physicist
Francois Laurent, French aeronaut
Eugene Godard, French aeronaut
Constantin Chasseoeuf, French philosopher
Johan De Witt, Dutch statesman and mathematician
17th Century rooftop observatories
Sebastien Vauban, French military engineer
Guillaume Dupuytren, French surgeon, illustration
Philippe Lebon, French engineer
Georges-Auguste Leschot, French watchmaker
Jacques-Louis De Pourtales, Swiss banker
19th Century nitroglycerine laboratory, illustration
Giovanni Caselli, Italian physicist
Unicorn, 13th Century artwork
Gum anatomy, 1839 artwork
Voluta seashells, 19th century
Aranea seashells, 19th century
Short-toed treecreeper, 19th Century illustration
Yellow-billed oxpecker, 19th Century illustration
Northern bald ibis, 19th Century illustration
Jackdaw, 19th Century illustration
Pheasant, 19th Century illustration
Golden-headed manakin, 19th Century illustration
Hazel grouse, 19th Century illustration
Turtle dove, 19th Century illustration
Hummingbird, 19th Century illustration
Blue wood pigeon, 19th Century illustration
Madagascan blue pigeon, 19th Century illustration
Balicassiao (Dicrurus balicassius), 19th C illustration
Ortolan, 19th Century illustration
Green pigeon, 19th Century illustration
Dove, 19th Century illustration
Red hazel grouse, 19th Century illustration
Bird of paradise, 19th Century illustration
Birds of Senegal, 19th Century illustration
Collared sunbird, 19th Century illustration
Perdrix perdrix, 19th Century illustration
White-crowned pigeon, 19th Century illustration
Tanager, 19th Century illustration
Hummingbirds, 19th Century illustration
Francolin, 19th Century illustration
Tiger moth, illustration
Three-toed sloth, illustration
Blue underwing moth, illustration
Butterflyfish, 19th Century illustration
Red bandfish, illustration
Dipterodon capensis, illustration
Green vine snake, illustration
Swallowtail butterfly, illustration
Mackerel and swordfish, illustration
Salamander, 19th Century illustration
Right whale, 19th century
Iguana, lizard and skink, 19th century
Horned, polychrotid and anole lizards, 19th century
Tegu and iguanid lizards, 19th century
Naja cobra and colubrid snake, 19th century
Black scorpionfish, illustration
Greater siren, 19th Century illustration
Madagascan sunset moth, illustration
Compass jellyfish, 19th century illustration
Barrel jellyfish, 19th century illustration
Jellyfish, 19th century illustration
Tree hydroid, 19th century illustration
Giant salamander, 19th century illustration
Preparing a culture, historical artwork
Aime Thome de Gamond, French engineer
Ernst Haekel, German naturalist
Pygmies fighting cranes, artwork
Felix Faure, President of France
Napoleon III, Emperor of France, 19th Century illustration
Comte de Mirabeau, French politician
Edmund Burke, Irish politician
Louis Eugene Cavaignac, French general and politician