| BERTRANDRUSSELL | English philosopher and mathematician, 1872-1970 (8,7) |
| ISAACNEWTON | English philosopher and mathematician (1642-1727) who formulated the law of gravitation: 2 wds. |
| RUSSELL | Bertrand ___ (1872 - 1970), Monmouthshireborn philosopher and mathematician (7) |
| LEIBNITZ | German philosopher and mathematician |
| BERTRAND | - Russell, philosopher and mathematician |
| PYTHAGORAS | Greek philosopher and mathematician of sixth century BC (10) |
| DESCARTES | 'I think, therefore I am,' asserted French philosopher and mathematician, Rene ... |
| RENEDESCARTES | French philosopher and mathematician (4,9) |
| HYPATIA | Philosopher and mathematician in classical times, murdered by a mob (7) |
| LEIBNIZ | Gottfried Wilhelm ?, German philosopher and mathematician; a contemporary of Isaac Newton |
| ZENO | -- of Elea, Greek philosopher and mathematician (4) |
| THALES | Pre-Socratic philosopher and mathematician |
| PUTNAM | Hilary ***** US philosopher and mathematician born in 1926 (6) |
| PASCAL | Seventeenth-century French philosopher and mathematician who developed one of the world's first mechanical calculators (6) |
| AYER | AJ _, English philosopher and author of Language,Truth And Logic (4) |
| JOHNSTUARTMILL | 19th-century English philosopher and economist |
| BENTHAM | English philosopher and jurist. |
| MILL | English philosopher and economist, d. 1873 (4) |
| THOMASHOBBES | English philosopher and author of Leviathan |
| FRANCISBACON | "C" (for cannabis) relaxed English philosopher and later artist (7,5) |
