chemist vs Wallace Carothers

chemist and Wallace Carothers both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Wallace Carothers	Yes	No	No	No

chemist (noun)	Wallace Carothers (noun)
a scientist who specializes in chemistry	United States chemist who developed nylon (1896-1937)
a health professional trained in the art of preparing and dispensing drugs