chemist vs Alfred Nobel

chemist and Alfred Nobel both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Alfred Nobel	Yes	No	No	No

chemist (noun)	Alfred Nobel (noun)
a scientist who specializes in chemistry	Swedish chemist remembered for his invention of dynamite and for the bequest that created the Nobel prizes (1833-1896)
a health professional trained in the art of preparing and dispensing drugs