physician vs Burrill Bernard Crohn

physician and Burrill Bernard Crohn both are nouns.

Word	Noun	Adjective	Verb	Adverb
physician	Yes	No	No	No
Burrill Bernard Crohn	Yes	No	No	No

physician (noun)	Burrill Bernard Crohn (noun)
a licensed medical practitioner	United States physician who specialized in diseases of the intestines; he was the first to describe regional ileitis which is now known as Crohn's disease (1884-1983)