nuclear physicist vs Satyendra Nath Bose

nuclear physicist and Satyendra Nath Bose both are nouns.

Word	Noun	Adjective	Verb	Adverb
nuclear physicist	Yes	No	No	No
Satyendra Nath Bose	Yes	No	No	No

nuclear physicist (noun)	Satyendra Nath Bose (noun)
a physicist who specializes in nuclear physics	Indian physicist who with Albert Einstein proposed statistical laws based on the indistinguishability of particles; led to the description of fundamental particles that later came to be known as bosons