Hemingway vs author

Hemingway and author both are nouns.

Word	Noun	Adjective	Verb	Adverb
Hemingway	Yes	No	No	No
author	Yes	No	Yes	No

Hemingway (noun)	author (noun)
an American writer of fiction who won the Nobel prize for literature in 1954 (1899-1961)	writes (books or stories or articles or the like) professionally (for pay)
	someone who originates or causes or initiates something

Hemingway (verb)	author (verb)
	be the author of