| Answer | Crossword Clue |
|---|---|
| UREYS | American scientist and family. |
| BYRD | American explorer and scientist. |
| SETONS | American saint and family |
| UREY | American scientist. |
| BELL | American scientist. |
| UREY | American atomic scientist. |
| UREY | American scientist, 1934 Nobel Prize winner. |
| BURBANK | American scientist, improver of plants (1849-1926). |
