| Answer | Crossword Clue |
|---|---|
| EVEREST | Engineer for whom a peak was named |
| EADS | Engineer for whom a St. Louis bridge was named |
| EVEREST | British engineer for whom a mountain is named. |
| EADS | Civil engineer for whom a St. Louis bridge is named |
| PIKE | Zebulon for whom a peak is named |
| PIKE | Zebulon ..., for whom a peak is named. |
| ZEBULONPIKE | Explorer for whom a Colorado peak is named |
