author vs Gardner

author and Gardner both are nouns.

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

author (noun)	Gardner (noun)
writes (books or stories or articles or the like) professionally (for pay)	writer of detective novels featuring Perry Mason (1889-1970)
someone who originates or causes or initiates something	United States collector and patron of art who built a museum in Boston to house her collection and opened it to the public in 1903 (1840-1924)

author (verb)	Gardner (verb)
be the author of