| Philosopher David ___ | 21 |
| Philosopher de Beauvoir | 23 |
| Philosopher Descartes | 21 |
| Philosopher Diderot | 19 |
| Philosopher dubbed the “Father of Liberalism” | 53 |
| Philosopher exiled by Claudius | 30 |
| Philosopher famed for paradoxes | 31 |
| Philosopher for whom a paradox is named | 39 |
| Philosopher forced by Nero to commit suicide | 44 |
| Philosopher Friedrich | 21 |
| Philosopher from Königsberg | 30 |
| Philosopher Fromm | 17 |
| Philosopher Georg | 17 |
| Philosopher George | 18 |
| Philosopher Georges | 19 |
| Philosopher Hannah | 18 |
| Philosopher Hegel | 17 |
| Philosopher Hoffer | 18 |
| Philosopher Illich | 18 |
| Philosopher Immanuel | 20 |
| Philosopher Immanuel and namesakes | 34 |
| Philosopher Immanuel ___ | 24 |
| Philosopher in "Candide" | 34 |
| Philosopher in "The Clouds" | 37 |
| Philosopher influenced by Hume | 30 |
| Philosopher influenced by Locke | 31 |
| Philosopher Jean-Jacques | 24 |
| Philosopher Jean-Paul | 21 |
| Philosopher Jean-Paul and family | 32 |
| Philosopher Jeremy's "the greatest happiness comes between two slices of bread" food? | 99 |
| Philosopher Johann Gottlieb ___ | 31 |
| Philosopher John | 16 |
| Philosopher John who posited a theory of social contract | 56 |
| Philosopher John's tresses? | 31 |
| Philosopher José ___ y Gasset | 32 |
| Philosopher Josiah: 1855–1916 | 36 |
| Philosopher Kierkegaard | 23 |
| Philosopher Kierkegaard, e.g. | 29 |
| Philosopher Kierkegaard, for one | 32 |
| Philosopher known as "the Stoic" | 42 |
| Philosopher known for his 'razor' | 41 |
| Philosopher known for his "razor" | 43 |
| Philosopher known for his "Social Contract" | 53 |
| Philosopher known for his paradoxes | 35 |
| Philosopher Kung Fu-___ | 23 |
| Philosopher Lao _____ | 21 |
| Philosopher Lao- -- | 19 |
| Philosopher Lao- ____ | 21 |
| Philosopher Lao-__ | 18 |
| Philosopher Lao-___ | 19 |
| Philosopher like Zeno | 21 |
| Philosopher Locke | 17 |
| Philosopher Machiavelli | 23 |
| Philosopher Mo-__ | 17 |
| Philosopher Mo-___ | 18 |
| Philosopher Mo-____ | 19 |
| Philosopher Mortimer | 20 |
| Philosopher of the Absolute | 27 |
| Philosopher of the social contract | 34 |
| Philosopher Ortega y ____ | 25 |
| Philosopher Pascal | 18 |
| Philosopher proscribed by the Vatican | 37 |
| Philosopher Rand | 16 |
| Philosopher René | 19 |
| Philosopher Rousseau | 20 |
| Philosopher Simone | 18 |
| Philosopher such as Zeno | 24 |
| Philosopher Thomas or MLB commisioner Bowie | 43 |
| Philosopher Watts | 17 |
| Philosopher Watts and others | 28 |
| Philosopher Weil | 16 |
| Philosopher who asked "What is enlightenment?" | 56 |
| Philosopher who authored "Phenomenology of Spirit" | 60 |
| Philosopher who coined "categorical imperative" | 57 |
| Philosopher who coined the phrase "the best of all possible worlds" | 77 |
| Philosopher who created the binary system and calculus | 54 |
| Philosopher who defined development using dialectical logic | 59 |
| Philosopher who favored simpler explanations | 44 |
| Philosopher who first mentioned Atlantis | 40 |
| Philosopher who gave his name to an -ism | 40 |
| Philosopher who promoted logical positivism | 43 |
| Philosopher who said "Writing is the geometry of the soul" | 68 |
| Philosopher who started as a sculptor | 37 |
| Philosopher who taught at Columbia | 34 |
| Philosopher who was a pioneer of German idealism | 48 |
| Philosopher who was the father of dialectical idealism | 54 |
| Philosopher who wrote "anxiety is the dizziness of freedom" | 69 |
| Philosopher who wrote "It is difficult to free fools from the chains they revere" | 91 |
| Philosopher who wrote "Superstition is the religion of feeble minds" | 78 |
| Philosopher who wrote the ''The Republic'' | 58 |
| Philosopher who wrote the "Republic" | 46 |
| Philosopher whose fully-dressed skeleton is on display at University College London | 83 |
| Philosopher William of __, known for his "razor" | 58 |
| Philosopher William of ___ | 26 |
| Philosopher with a "razor" | 36 |
| Philosopher with a razor | 24 |
| Philosopher Wittgenstein | 24 |
| Philosopher Zeno of ____ | 25 |
| Philosopher Zeno of --- | 23 |
| Philosopher Zeno of ___ | 23 |