Constantin Chasseoeuf, French philosopher
David Hume, Scottish philosopher
William Wilberforce, British politician
Edmund Burke, Irish politician
Voltaire, French author
Marquis de Condorcet, French politician
Johann von Schiller, German poet, illustration
Claude Adrien Helvetius, French philosopher
Bias of Priene, Greek philosopher
Nicolas de Condorcet, French politician
Herbert Spencer, British philosopher
Anne Louise Germaine Necker, French writer
Friedrich Heinrich Jacobi, German philosopher
Hippolyte Taine, French historian
Friedrich von Schelling, German philosopher
Jean Anthelme Brillat-Savarin, French lawyer and politician
Karl Marx, German political theorist
Voltaire, French author and poet
Michael Leib, American physician
Immanuel Kant, German philosopher
Count Vittorio Alfieri, Italian dramatist and poet
Denis Diderot, French encyclopedist, illustration
Denis Diderot, French encyclopedist
Laozi, Ancient Chinese philosopher
Thucydides, Ancient Greek historian
Ernest Daudet
Jean-Jacques Rousseau, French philosopher
Rene Descartes, French mathematician
Statue of Nicolas de Condorcet, 1894
Tiberius Cavallo, Italian physicist
Lawrence Echard, British historian
Maximilien Robespierre, French politician
Leonard Bourdon, French politician
Claude de Lisle, French revolutionary officer
Thomas Hobbes, English philosopher
Francois-Noel Babeuf, French journalist
Jean-Lambert Tallien, French politician
Philosopher delivering speech to sleeping audience, illustration
Victor Hugo, French Author, illustration
Pico della Mirandola, Italian philosopher
Sallust, Roman historian
Cornelius Herz, French physician
Etienne Arago, French writer
John Lettsome, British entomologist
Guido Bentivoglio, Italian statesman
French Revolution, satirical artwork
Charles Fox, British politician
Blaise Pascal, French mathematician
Richard Sheridan, Irish playwright
William Pryce, British antiquary
Socrates, Ancient Greek philosopher
Gaspard Monge, French mathematician
Edward Gibbon, English historian
Sebastian Brant, German satirist
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Confucius, Chinese philosopher
Giuseppe Montanelli, Italian statesman and author
Roger Bacon, English natural philosopher
Claude Louis Berthollet, French chemist, illustration
Title page of 'Physiology of taste', 19th century
Francesco Guicciardini, Italian diplomat
Pierre Victor Malouet, French politician
Jean-Sifrein Maury, French cardinal
Francois Fenelon, French theologian
Bust of Democritus, Greek philosopher, illustration
Harriet Martineau, British author and sociologist
Giorgio Vasari, Italian artist and author
Physical and moral system of man, 18th century
Charles Sanders Peirce, US philosopher
Jacques-Constantin Perier, French engineer
Scene from Voltaire's 'The History of Jenni' (1774)
Joseph Lakanal, French politician
Rene Descartes, French philosopher and mathematician
Herve Mangon, French engineer and politician
Herbert Spencer Philosopher of Evolution
1860 Herbert Spencer Philosopher Darwin
1855 Herbert Spencer Philosopher Darwin
Klemens von Metternich, Austrian diplomat
William Pitt, British politician
1860 H. Spencer Philosopher of Evolution
1903 Herbert Spencer Philosopher old age
Scene from Voltaire's play 'Irene' (1778)
Emile Flourens, French politician
Sadi Carnot, French President
Claude Louis Berthollet, French chemist
Charles de Freycinet, French statesman
Alexis Bouvard, French astronomer
John Nichols, British antiquarian
Tacitus, Roman senator and historian
Pliny the Elder, Roman philosopher
Erasmus of Rotterdam, Dutch theologian
Thales, Ancient Greek philosopher, illustration
18th Century anatomy lesson, illustration
Baruch de Spinoza, 19th century illustration
Louis Saint-Just, French politician
Alcibiades, Ancient Greek statesman
Walter Scott, Scottish novelist and poet
Emil Rossmassler, German biologist
John Arbuthnot, Scottish physician
Antoine Lavoisier, French chemist
Philosopher William Derham
Title page of Descartes' Principia, 1692
Cartesian vortices, 1692 artwork
Telescope, 1692 artwork
Gottfried Wilhelm Leibniz, German mathematician
William Pitt the Younger, British politician
Giuseppe Garibaldi, Italian revolutionary
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George III, British monarch
George Washington, first US president
Emile Blanche, French psychiatrist
Aristotle, ancient Greek philosopher
Aristotle, Ancient Greek philosopher
Improvement of Franklin's Electrical Kite
Franklin's Experiments with Electricity
Johann Ritter, German physicist
Georges De Lacy Evans, British general, 19th C illustration
Duke of Wellington, English statesman
Herodotus, Greek historian, illustration
Louis Thenard, French chemist
Scene from Voltaire's Candide, 19th century illustration
Johann Kaspar Lavater, Swiss theologist
George Canning, British politician
Chester Alan Arthur, 21st President of the USA
Francis Bacon, English philosopher
Anaximander, ancient Greek philosopher
Michel de Montaigne, French philosopher
Frederick William III of Prussia, illustration
George Sand, French novelist
Louis-Antoine de Bougainville, French commander
Plan of the island of Utopia, 16th century illustration
Plato's concept of the philosopher as king, illustration
1618 Francis Bacon Portrait Philosopher
Henry Hardinge, British politician
1880 H. Spencer Philosopher evolution
1866 Herbert Spencer Philosopher Darwin
Joseph Marie Servan de Gerbey, French general
George I, British monarch
Xenocrates, Ancient Greek philosopher
Emile Zola, French novelist
Gustave Lambert, French hydrographer
J.-J. Rousseau, Swiss-French philosopher
Guyton de Morveau, French chemist
Elisabeth de Rossel, French geoscientist
Xavier Chabert, French-US magician
Busts of philosophers vandalised with paint, illustration
Guillaume Carcel, french inventor
Denis Papin, French physicist
Francois de Chateaubriand, French writer
Count Rumford, US-British physicist
Henry Layard, English explorer
Cleobulus of Lindos, Greek poet
Robert Bulwer-Lytton, British statesman
Umberto I of Italy, 19th Century illustration
Theodosius I, Roman Emperor
Thomas Whitaker, British antiquarian
Georges Leclerc, Comte de Buffon, French Polymath
Louis-Jean-Marie Daubenton, French naturalist
Francois Arago, French astronomer
Francois Arago, French physicist
Leviathan (1651)
Julius Caesar, Roman statesman, illustration
James K. Polk, 11th US president, illustration
Aspasia and Alcibiades, 19th century illustration
Antoine Fourcroy, French chemist
William Blackstone, British judge
Thomas Carlyle, Scottish writer
Antoine Francois Fourcroy, French chemist
Charles Marie de La Condamine, French geographer
Dominique Francois Arago, French astronomer
Felix Faure, President of France
Comte de Mirabeau, French politician
Death of Hypatia, Ancient Greek philosopher, illustration