| THALES | Pre-Socratic philosopher and mathematician |
| SOPHIST | Pre-Socratic philosopher |
| ANAXIMANDER | Pre-Socratic philosopher whose work laid the foundation for the scientific method |
| ELEA | Home to a school of pre-Socratic philosophers |
| RUSSELL | British philosopher and mathematician, Bertrand ........... (7) |
| LEIBNITZ | German philosopher and mathematician |
| BERTRAND | - Russell, philosopher and mathematician |
| PYTHAGORAS | Greek philosopher and mathematician of sixth century BC (10) |
| 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) |
| ZENO | -- of Elea, Greek philosopher and mathematician (4) |
| LEIBNIZ | Gottfried, German philosopher and mathematician born in 1646 (7) |
| 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. |
| HYPATIA | Philosopher and mathematician in classical times, murdered by a mob (7) |
| PASCAL | Seventeenth-century French philosopher and mathematician who developed one of the world's first mechanical calculators (6) |
| ATOMIST | Pre-Socratic believer in indivisible particles that constitute all matter |
| GALILEI | The surname of the Italian natural philosopher, astronomer, and mathematician who discovered the moons Io, Europa, Ganymede, and Callisto (7) |
| AMPERE | French physicist and mathematician who made discoveries in magnetism and electricity (6) |
