chemist vs George Washington Carver

chemist and George Washington Carver both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
George Washington Carver	Yes	No	No	No

chemist (noun)	George Washington Carver (noun)
a scientist who specializes in chemistry	United States botanist and agricultural chemist who developed many uses for peanuts and soy beans and sweet potatoes (1864-1943)
a health professional trained in the art of preparing and dispensing drugs