| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| This naturalist described his 1831-36 voyage around the world in the book "Journal of Researches" | Darwin | $400 | DJ | NATURE BOY | 2012-11-29 | #6489 | |
| In 1872 this British naturalist wrote "The Expression of the Emotions in Man and Animals" | Darwin | $200 | DJ | SCIENCE & NATURE | 1995-03-31 | #2445 |