| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This "I think, therefore I am" philosopher invented analytic geometry | Descartes | $1,200 | DJ | FAMOUS FRENCH FOLKS | 2012-05-10 | #6374 | |
| In 1619 this math whiz could have said, "I think, therefore I am joining the duke of Bavaria's army" | Descartes | $400 | DJ | FAMOUS FRENCHMEN | 1998-04-20 | #3151 | |
| Compton's says, "Both modern philosophy and modern mathematics began with the work of" this man | Descartes DD | $1,000 | DJ | FAMOUS FRENCHMEN | 1994-05-26 | #2254 |