Numismatist
One who studies coins and medals is known as a numismatist
hoarder!
That's an entomologist.
Someone who has money handed down in the family is an "heir."Someone who collects old money is a numismatist (currency collector), more specifically a notaphilist (studies paper money, from the term notaphily).
Someone who collects specimans..its in the name
The name for someone who studies caves is a speleologist or a spelunker.
A psychologist is the proper name for someone who studies the mind.
A coin collector.AnswerMany of us claim to be students of the art and history of coins and coinage and prefer to be called numismatists.
a person who studies and collects mollusc shells as a profession or hobby paula
Someone who collects everything would be called a hoarder - this type of person may have OCD as well.
There is no special name for someone who studies Hebrew.
Someone who studies planetary systems is called a planetary scientist