chemist vs Dalton

chemist and Dalton both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Dalton	Yes	No	No	No

chemist (noun)	Dalton (noun)
a scientist who specializes in chemistry	English chemist and physicist who formulated atomic theory and the law of partial pressures; gave the first description of red-green color blindness (1766-1844)
a health professional trained in the art of preparing and dispensing drugs