psychologist vs Timothy Francis Leary

psychologist and Timothy Francis Leary both are nouns.

Word	Noun	Adjective	Verb	Adverb
psychologist	Yes	No	No	No
Timothy Francis Leary	Yes	No	No	No

psychologist (noun)	Timothy Francis Leary (noun)
a scientist trained in psychology	United States psychologist who experimented with psychoactive drugs (including LSD) and became a well-known advocate of their use (1920-1996)