The Death Of Socrates, 1787 Artwork
Sheila Terry
The Greek Philosopher Aristotle
National Library Of Medicine/science Photo Library
Engraving Symbolising The Philosopher's Stone
National Library Of Medicine/science Photo Library
Portrait Of The Ancient Greek Philosopher Socrates
Science Photo Library
Philosophers' Stone
Wellcome Images/science Photo Library
Bust Of Plato
Science Photo Library
Epicurus
Science Photo Library
The Death Of Socrates
Metropolitan Museum Of Art/science Photo Library
Edmund Burke
Collection Abecasis
Charles Sanders Peirce
Miriam And Ira D. Wallach Division Of Art, Prints And Photographs/new York Public Library
Emanuel Swedenborg
Universal History Archive/uig
Voltaire
Collection Abecasis/science Photo Library
Pharmacopoea (1607)
Middle Temple Library/science Photo Library
Plato (c.428 Bc-c.347 Bc)
Sheila Terry
1627 Francis Bacon New Atlantis Frontis
Paul D Stewart
Immanuel Kant
Smetek/science Photo Library
St Thomas Aquinas #2
Universal History Archive/uig
David Hume
Science Photo Library
Busts Of Philosophers Vandalised With Paint
Smetek/science Photo Library
1880 H. Spencer Philosopher Evolution
Paul D Stewart
The Greek Philosopher Democritus
National Library Of Medicine/science Photo Library
William James Philosopher Psychologist
Science Photo Library
The Italian Philosopher
Science Photo Library
The English Philosopher And Alchemist
Science Photo Library
Portrait Of The Greek Philosopher Thales.
J-l Charmet/science Photo Library
Portrait Of The German Philosopher Immanuel Kant
Science Photo Library
The Scythian Philosopher
Collection Abecasis/science Photo Library
Greek Stoic Philosopher
David Parker/science Photo Library
Greek Stoic Philosopher #1
David Parker/science Photo Library
1855 Herbert Spencer Philosopher Darwin
Paul D Stewart
1866 Herbert Spencer Philosopher Darwin
Paul D Stewart
1903 Herbert Spencer Philosopher Old Age
Paul D Stewart
Artwork Of Philosophers Sitting And Thinking
Andrzej Dudzinski/science Photo Library
Coloured Portrait Of Philosopher Francis Bacon
Sheila Terry/science Photo Library
Bust Of Greek Philosopher Thales
Science Photo Library
Portrait Of Ancient Greek Philosopher Heraclitus
Science Photo Library
Portrait Of Ancient Greek Philosopher Empedocles
Science Photo Library
The Philosopher's Garden
Mike Comb/science Photo Library
Portrait Of The English Philosopher Francis Bacon
George Bernard/science Photo Library
The German Philosopher And Theologist Agrippa
National Library Of Medicine/science Photo Library
Pythagoras Ancient Greek Philosopher
Science Photo Library
Johann Von Goethe #2
Paul D Stewart
John Dewey
New York Public Library/science Photo Library
Aristotle
Bildagentur-online/th Foto/science Photo Library
Allegory Of Arithmetic
Science Photo Library
1618 Sir Francis Bacon Scientist Portrait
Paul D Stewart
Baruch Spinoza
Universal History Archive/uig
Lucius Annaeus Seneca Committing Suicide
Universal History Archive/uig
Isaac Newton #2
Detlev Van Ravenswaay
Hegel
Science Photo Library
Blaise Pascal
Sheila Terry/science Photo Library
Alchemist At Work #1
Chemical Heritage Foundation/science Photo Library
Pythagoras Monument #2
Detlev Van Ravenswaay
Frontispiece Of Euclid's Elements
Royal Astronomical Society/science Photo Library
Aristotle #3
Universal History Archive/uig
Bust Of Hippocrates
Martin Bond/science Photo Library
Arthur Schopenhauer
Gary Brown
Pieter Van Musschenbroek
Gregory Tobias/chemical Heritage Foundation
Friedrich Nietzsche #1
Universal History Archive/uig
Thomas Hobbes
Sheila Terry/science Photo Library
Engraving Of Avicenna
Science Photo Library
The French Mathematician Rene Descartes
Sheila Terry/science Photo Library
Immanuel Kant
Collection Abecasis
Ptolemy
Royal Astronomical Society/science Photo Library
Plato
Cci Archives/science Photo Library
Erasmus Of Rotterdam
Metropolitan Museum Of Art/science Photo Library
Marsilio Ficino, Italian Philosopher
Middle Temple Library
Niccolo Machiavelli, Italian Philosopher
Middle Temple Library
Confucius, Chinese Philosopher
Sheila Terry
Lao Tse, Chinese Philosopher
Sheila Terry
Giordano Bruno, Italian Philosopher
Sheila Terry
Cicero, Roman Philosopher #1
Middle Temple Library