chemist vs Paul Flory

chemist and Paul Flory both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Paul Flory	Yes	No	No	No

chemist (noun)	Paul Flory (noun)
a scientist who specializes in chemistry	United States chemist who developed methods for studying long-chain molecules (1910-1985)
a health professional trained in the art of preparing and dispensing drugs