chemist vs George de Hevesy

chemist and George de Hevesy both are nouns.

Word	Noun	Adjective	Verb	Adverb
chemist	Yes	No	No	No
George de Hevesy	Yes	No	No	No

chemist (noun)	George de Hevesy (noun)
a scientist who specializes in chemistry	Hungarian chemist who studied radioisotopes and was one of the discoverers of the element hafnium (1885-1966)
a health professional trained in the art of preparing and dispensing drugs