physicist vs Yang Chen Ning

physicist and Yang Chen Ning both are nouns.

Word	Noun	Adjective	Verb	Adverb
physicist	Yes	No	No	No
Yang Chen Ning	Yes	No	No	No

physicist (noun)	Yang Chen Ning (noun)
a scientist trained in physics	United States physicist (born in China) who collaborated with Tsung Dao Lee in disproving the principle of conservation of parity (born in 1922)