chemist vs Odd Hassel

chemist and Odd Hassel both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Odd Hassel	Yes	No	No	No

chemist (noun)	Odd Hassel (noun)
a scientist who specializes in chemistry	Norwegian chemist noted for his research on organic molecules (1897-1981)
a health professional trained in the art of preparing and dispensing drugs