chemist vs Henry le Chatelier

chemist and Henry le Chatelier both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Henry le Chatelier	Yes	No	No	No

chemist (noun)	Henry le Chatelier (noun)
a scientist who specializes in chemistry	French chemist who formulated Le Chatelier's principle (1850-1936)
a health professional trained in the art of preparing and dispensing drugs