chemist vs William Nunn Lipscom Jr.

chemist and William Nunn Lipscom Jr. both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
William Nunn Lipscom Jr.	Yes	No	No	No

chemist (noun)	William Nunn Lipscom Jr. (noun)
a scientist who specializes in chemistry	United States chemist noted for his theories of molecular structure (born in 1919)
a health professional trained in the art of preparing and dispensing drugs