| # | Clue | Answer As Given | Value | Round | Category | Air Date | Show |
|---|---|---|---|---|---|---|---|
| mR are milli-these units of radiation named for a scientist who saw through you | roentgen | $800 | J | EASY SCIENCE | 2015-06-12 | #7090 | |
| Refusing to patent his discovery, this X-ray discoverer died penniless | Roentgen | $500 | J | SCIENCE | 1995-12-19 | #2602 | |
| For his discovery of X-rays, he received the first Nobel Physics prize | Roentgen | $800 | DJ | MEN OF SCIENCE | 1993-09-16 | #2074 |