Voltaire, French author
Emil Rossmassler, German biologist
Carl Vogt, German naturalist
Johann von Schiller, German poet, illustration
Weight of gold, 19th Century engraving
Scene from Voltaire's 'The History of Jenni' (1774)
Michel Chevreul, French chemist
Margaret Cavendish, British philosopher
William Leybourn, English land surveyor
Alessandro Volta, Italian physicist
Samuel Hahnemann, German physician
Scene from Voltaire's play 'Irene' (1778)
Jean-Jacques Rousseau, French philosopher
Brahma and Saraswati, Hindu gods
Mary Walker, US surgeon and feminist
Scene from Voltaire's Candide, 19th century illustration
Physician Avicenna lecturing on pharmacy, illustration
Giorgio Vasari, Italian artist and author
John Logie Baird, caricature
Gerardus Mercator, Flemish cartographer
19th Century pharmacy, illustration
William Hunter, Scottish anatomist
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Emperor of Uganda, 19th C illustration
19th Century Khalkha women, illustration
James Sheridan Muspratt, Irish chemist
James Joule, British physicist
Thomas Malthus, British economist
Theophraste Renaudot, French physician
Friedrich Heinrich Jacobi, German philosopher
Panacea, 16th century illustration
Voltaire, French author and poet
Arthur Schopenhauer, German philosopher
Blaise Pascal, French mathematician
Count Vittorio Alfieri, Italian dramatist and poet
Averroes, Islamic physician
Gilbert writing on magnetism in 1575
French society, 18th century
Xenocrates, Ancient Greek philosopher
Orangutan, 19th century artwork
Chimpanzee, 19th century artwork
Uakari, 19th century artwork
Alfred Brehm, German zoologist
John Evelyn, English author
Gustave Charpentier, French composer
Pyhthagorean world view, 16th century
Li Hongzhang, Chinese politician
Jean D'Alembert, French mathematician
Charles Darwin, British naturalist
Illustration
Thomas Carlyle, Scottish writer
John Nichols, British antiquarian
Cartoon fat chick with headphones
Albrecht Wilhelm Roth, German botanist
18th Century electricity experiment
Therapeutic electrical cabinet treatment
Constantin Chasseoeuf, French philosopher
Coral fisherman, 19th Century artwork
Jules Verne, French novelist
Isaac Barrow, English mathematician
Sallust, Roman historian
Ursine howler, 19th century artwork
Aristotle, Ancient Greek philosopher
James Boswell, Scottish author
Anne Louise Germaine Necker, French writer
Alice's adventures in Wonderland, artwork
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Thomas Craig, Scottish legal scholar
Alfred Velpeau, French surgical anatomist
Rich man from Tianjin, China, 19th century illustration
Man reading to a woman, illustration
19th Century hookah smokers in Cairo, Egypt, illustration
19th Century moneychanger in Jerusalem, illustration
Chinese Emperor Xianfeng, illustration
18th Century backgammon players, illustration
Tchung-Hao, Governor of Tientsin, China, 19th C illustration
King of d'Assinia, 19th C illustration
Algerian Jewish girl, 19th century illustration
Samuel Pepys, English diarist
William Gifford, British poet and editor
19th Century Egyptian backgammon players
19th Century roulette players, illustration
Daines Barrington, British judge
Henri Becquerel, French physicist
椅子に座ってスケッチをする女の子
Funerary stele of Hegesias
Moliere, French playwright
Realistic illustration of yogas the man meditates in sports hall
19th Century washing machine, artwork
Shakespeare and friends drinking, 19th century illustration
Aristophanes, ancient Greek playwright
Homer, Ancient Greek poet
Thomas Sonnet de Courval, French poet
Victor Hugo, French Author, illustration
William Wollaston, English theologian
Bedouin nomads, 19th Century artwork
19th Century velocipede, artwork
19th Century ladies handcar, artwork
Seneca the Elder, Roman orator
Gaston Plante, French physicist
George Berkeley, Irish philosopher
Cleobulus of Lindos, Greek poet
Andre-Marie Ampere, French physicist
Rhazes, Islamic Persian physician
Henri de Ruolz, French industrial chemist
Tartars, 19th century illustration
Marco Polo, 19th century illustration
Elephant bird, 19th century illustration
Christopher Columbus, 19th century illustration
Vasco Da Gama, 19th century illustration