playwright vs Lillian Hellman

playwright and Lillian Hellman both are nouns.

Word	Noun	Adjective	Verb	Adverb
playwright	Yes	No	No	No
Lillian Hellman	Yes	No	No	No

playwright (noun)	Lillian Hellman (noun)
someone who writes plays	United States playwright; her plays were often indictments of injustice (1905-1984)