| SCHEELE | Karl Wilhelm -, 18th-century chemist who discovered oxygen independently of Priestley |
| PRIESTLEY | Joseph ___, English chemist who discovered oxygen independently of Scheele (9) |
| JOSEPHPRIESTLEY | English chemist who discovered oxygen in 1774 (6,9) |
| FARADAY | 18th Century English chemist who discovered electromagetic induction (7) |
| HAHN | Otto -; Nobel Prize-winning German chemist who discovered the fission of heavy nuclei (4) |
| PASTEUR | French chemist who discovered the principle of microbial fermentation (7) |
| DAVY | English chemist who discovered the effects of laughing gas (4) |
| BUNSEN | Chemist who discovered an antidote to arsenic poisoning, invented a gas burner and, with Kirchoff, determined the composition of the Sun and fixed stars (6) |
| ALBERTHOFMANN | Swiss chemist who discovered the hallucinogenic effects of the drug lysergic acid diethylamide (LSD) in 1943 (6,7) |
| BOYLE | Robert ___, 17th-century chemist who established that air has weight (5) |
| ALICEBALL | Early-twentieth-century chemist who developed an early treatment for leprosy |
| MARIECURIE | Chemist who discovered radium with her husband: 2 wds. |
| STEPHANIE | Chemist who discovered the body-armour fabric Kevlar, ... Kwolek |
| LIEBIG | Organic chemist who discovered that nitrogen was an essential plant nutrient and invented the proces |
| MICHAEL | English physicist and chemist who discovered electromagnetic induction (7,7) |
| WILLIAMRAMSAY | Scottish chemist who discovered the noble gases; Nobel Prize for Chemistry (1904) |
| UREY | Harold Clayton ___, US chemist who discovered deuterium in 1932; Nobel Prize for Chemistry (1934) |
| SOBRERO | Ascanio, Italian chemist who discovered nitroglycerine (7) |
| COURTOIS | Bernard, French chemist who discovered the element iodine (8) |
| MOSANDER | Carl Gustaf _. Swedish chemist who discovered the rare earth elements lanthanum. erbium and terbium (8) |
