physicist vs Max Planck

physicist and Max Planck both are nouns.

Word	Noun	Adjective	Verb	Adverb
physicist	Yes	No	No	No
Max Planck	Yes	No	No	No

physicist (noun)	Max Planck (noun)
a scientist trained in physics	German physicist whose explanation of blackbody radiation in the context of quantized energy emissions initiated quantum theory (1858-1947)