ISAACNEWTON
| Date | Clue |
|---|---|
| 2015-12-13 | Who said "Aristotle is my friend - but my greatest friend is truth" |
| 2013-01-23 | In person? |
| 2009-08-18 | Scientist who experienced a great fall? |
| 2000-03-08 | [Hint] Apple on the head |
| 1999-12-25 | Celebrity born Christmas 1642 |