| Clue | Source | Date |
|---|---|---|
| Science officer on TV | Thomas Joseph | 09 Oct 2021 |
| 'Star Trek' logician | Eugene Sheffer | 08 Dec 2015 |
| Epitome of logic | Wall Street Journal | 20 Jan 2015 |
| Logical guy with pointy ears | ||
| Sci-fi role starting in 1966 | ||
| Half-man of science? | ||
| Son of Sarek and Amanda | ||
| Son of Sarek and Amanda | ||
| Epitome of logic | ||
| Son of Sarek and Amanda |