| Answer | Crossword Clue |
|---|---|
| PASCAL | French mathematician and philosopher Blaise |
| PASCAL | French mathematician Blaise |
| PASCAL | French philosopher Blaise |
| PASCAL | French philosopher-mathematician (1623-62). |
| BERTRANDRUSSELL | Noted 20th-century mathematician, philosopher and pacifist |
| LEIBNIZ | Mathematician and philosopher who coined the phrase "the best of all possible worlds" |
