chemist vs Frederick Soddy

chemist and Frederick Soddy both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
Frederick Soddy	Yes	No	No	No

chemist (noun)	Frederick Soddy (noun)
a scientist who specializes in chemistry	English chemist whose work on radioactive disintegration led to the discovery of isotopes (1877-1956)
a health professional trained in the art of preparing and dispensing drugs