chemist vs Friedrich August Kekule von Stradonitz

chemist and Friedrich August Kekule von Stradonitz both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Friedrich August Kekule von Stradonitz	Yes	No	No	No

chemist (noun)	Friedrich August Kekule von Stradonitz (noun)
a scientist who specializes in chemistry	German chemist remembered for his discovery of the ring structure of benzene (1829-1896)
a health professional trained in the art of preparing and dispensing drugs