| PYTHAGORAS | Ancient Greek philosopher and mathematician (10) |
| ARISTOTLE | Ancient Greek philosopher and scientist, a student of Plato (9) |
| PLATO | Ancient Greek philosopher and teacher of Aristotle (5) |
| ZENO | -- of Elea, Greek philosopher and mathematician (4) |
| EMPEDOCLES | Greek philosopher and scientist who held that the world is composed of air, fire, earth and water (10) |
| ZENOPHOBIA | Fear of an ancient Greek philosopher? |
| HYPATIA | Ancient philosopher and mathematician famed for her lectures in Alexandria |
| RUSSELL | British philosopher and mathematician, Bertrand ........... (7) |
| LEIBNITZ | German philosopher and mathematician |
| BERTRAND | - Russell, philosopher and mathematician |
| RENEDESCARTES | French philosopher and mathematician (4,9) |
| BERTRANDRUSSELL | English philosopher and mathematician, 1872-1970 (8,7) |
| DESCARTES | Rene _, 17th-century French philosopher and mathematician (9) |
| LEIBNIZ | Gottfried, German philosopher and mathematician born in 1646 (7) |
| THALES | Pre-Socratic philosopher and mathematician |
| PUTNAM | Hilary ***** US philosopher and mathematician born in 1926 (6) |
| ISAACNEWTON | English philosopher and mathematician (1642-1727) who formulated the law of gravitation: 2 wds. |
| PASCAL | Seventeenth-century French philosopher and mathematician who developed one of the world's first mechanical calculators (6) |
| PLATOS | Greek philosopher and actress Dana |
| SOCRATES | Greek philosopher and mentor of Plato |
