Alfred Lord Tennyson (1809-1892)
Michelangelo Buonarroti (1475-1564)
Muhammad (560-632) mentioned by name only
Lao-tzu (606-523 BC)
Aesop (620-560 BC approx.)
John A. Wheeler (1911- )
Johann Wolfgang Goethe (1749-1832)
Albert Einstein (1879-1955)
Niels Bohr (1885-1962)
Kurt Gödel (1906-1978) mentioned by name only
Werner Heisenberg (1901-1976)
Max Planck (1858-1947)
René Descartes (1596-1650)
Sir Roger Penrose (1931- ) in end notes
J(ohn) R(onald) R(eul) Tolkien (1892-1973)
Owen Barfield (1898-1997)
Sir Isaac Newton (1642-1727)
Gottfried Wilhelm Leibniz (1646-1716)
Eugene Wigner (1902-1995)
Vincent van Gogh (1853-1890)
Ludwig van Beethoven (1770-1827)
Charles Darwin (1809-1882)
Richard Feynman (1918-1988)
Plato (428-347 BC), indirectly Socrates (470?-399? BC)
Pythagoras (582-500 BC)
Steven Weinberg (1933- ) mentioned by name only
William Blake (1757-1827)
Stephen Hawking (1942- )
Thomas Carlyle (1795-1881) mentioned by name only
John Locke (1632-1704) mentioned by name only
Francis Bacon (1561-1626) mentioned by name only
Leonardo da Vinci (1452-1519)
Nicolaus Copernicus (1473-1543)
Galileo Galilie (1564-1642)
Adam Smith (1723-1790)
Thomas Jefferson (1743-1826),
Abraham Lincoln (1809-1865)

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