chemist vs Antoine Laurent Lavoisier

chemist and Antoine Laurent Lavoisier both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Antoine Laurent Lavoisier	Yes	No	No	No

chemist (noun)	Antoine Laurent Lavoisier (noun)
a scientist who specializes in chemistry	French chemist known as the father of modern chemistry; discovered oxygen and disproved the theory of phlogiston (1743-1794)
a health professional trained in the art of preparing and dispensing drugs