physicist vs Amedeo Avogadro

physicist and Amedeo Avogadro both are nouns.

Word	Noun	Adjective	Verb	Adverb
physicist	Yes	No	No	No
Amedeo Avogadro	Yes	No	No	No

physicist (noun)	Amedeo Avogadro (noun)
a scientist trained in physics	Italian physicist noted for his work on gases; proposed what has come to be called Avogadro's law (1776-1856)