psychologist vs Cyril Burt

psychologist and Cyril Burt both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychologist	Yes	No	No	No
Cyril Burt	Yes	No	No	No

psychologist (noun)	Cyril Burt (noun)
a scientist trained in psychology	English psychologist whose studies of twins were later said to have used fabricated data (1883-1971)