| Answer | Crossword Clue |
|---|---|
| BOHR | Atomic theory pioneer |
| BOHR | Physicist Niels of atomic theory |
| DALTON | Reviver of atomic theory, 1808. |
| DALTON | Reviver of the atomic theory, circa 1804. |
| DALTON | English chemist, propounder of atomic theory, (1766-1844). |
| NIELSBOHR | 1922 winner who combined quantum theory with atomic theory |
