| Pythagoras 566 B.C. |
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| Buddha 563-483 B.C. |
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| Confucius 551-479 B.C. |
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| Socrates c. 469-399 B.C. |
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| Democritus c. 460-370 B.C. |
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| Plato 429-347 B.C. |
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| Aristotle 384-322 B.C. |
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| Zeno 335-263 B.C. |
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| Diogenes died 320 B.C. |
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| Marcus Tullius Cicero 106-43 B.C. |
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| Plutarch c. 46-120 A.D. |
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| Marcus Aurelius 121-180 A.D. |
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| Irenaeus 130-202 A.D. |
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| Tertullian 160-230 A.D. |
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| Origen 185-254 A.D. |
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| Athanasius 293-373 A.D. |
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| Eusebius 300 A.D. |
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| Basil the Great 330-379 A.D. |
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| Gregory of Nazianzen 330-390 A.D. |
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| Gregory of Nyssa 335-394 A.D. |
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| Ambrose 340-397 A.D. |
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| Jerome 340-420 A.D. |
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| John Chrysostom 347-407 A.D. |
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| Augustine 354-430 A.D. |
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| Cyril of Alexandria 375-444 A.D. |
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| Nestorius died 451 A.D. |
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| Dionysius the Pseudo-Areopagite 6th century A.D. |
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| Bede 673-735 A.D. |
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| John Damascene 676-749 A.D. |
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| Alcuin 735-804 A.D. |
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| Cyril 827-869 A.D. / Methodius 826-885 A.D. |
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| Anselm 1033-1109 A.D. |
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| Peter Abelard 1079-1142 A.D. |
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| Bernard of Clairvaux 1090-1153 A.D. |
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| Moses Maimonides 1135-1204 A.D. |
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| Roger Bacon 1214-1292 A.D. |
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| Thomas Aquinas 1225-1274 A.D. |
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| John Wycliffe 1328-1384 A.D. |
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| Niccolo Machiavelli 1469-1527 A.D. |
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| Nicolaus Copernicus 1473-1543 A.D. |
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| Martin Luther 1483-1546 A.D. |
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| Ulrich (Huldreich) Zwingli 1484-1531 A.D. |
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| Thomas Cranmer 1489-1556 A.D. |
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| Ignatius Loyola 1491-1556 |
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| William Tyndale 1494-1536 A.D. |
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| Menno Simons 1496-1561 A.D. |
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| John Calvin 1509-1564 A.D. |
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| John Knox 1514-1572 A.D. |
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| Jesuit Father Matteo Ricci 1552-1610 A.D. |
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| Johannes Kepler 1571-1630 A.D. |
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| Blaise Pascal 1623-1662 A.D. |
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| John Bunyan 1628-1688 A.D. |
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| John Locke 1632-1704 A.D. |
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| Philipp Jakob Spener 1635-1705 A.D. |
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| Sir Isaac Newton 1642-1727 A.D. |
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| Isaac Watts 1674-1748 A.D. |
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| Voltaire 1694-1778 A.D. |
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| Count Nikolaus Ludwig von Zinzendorf 1700-1760 A.D. |
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| Jonathan Edwards 1703-1758 A.D. |
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| John Wesley 1703-1791 A.D. |
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| Benjamin Franklin 1706-1790 A.D. |
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| Charles Wesley 1707-1788 A.D. |
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| Jean Jaques Rousseau 1712-1778 A.D. |
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| George Whitefield 1714-1770 A.D. |
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| Edmund Burke 1729-1797 A.D. |
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| Thomas Paine 1737-1809 A.D. |
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| Charles Grandison Finney 1792-1875 A.D. |
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| Ralph Waldo Emerson 1803-1882 A.D. |
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| Karl Heinrich Marx 1818-1883 A.D. |
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| Friedrich Nietzsche 1844-1900 A.D. |
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| Sigmund Freud 1856-1939 A.D. |
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| Albert Schweitzer 1875-1965 A.D. |
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| Mao Tse-tung (Mao Zedong) 1893-1976 A.D. |
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| Clive Staples (C. S.) Lewis 1898-1963 A.D. |
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| Dietrich Bonhoeffer 1906-1945 A.D. |
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| Kwame Nkrumah 1909-1972 A.D. |
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| Francis & Edith Schaeffer 1912-1984 & 1914-2013 A.D. |
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