A primatologist studies primates which includes both monkeys and apes.
a peraon who specilizes in monkeys or apes (primates are both monkeys and apes) is called a primateoligist
A primatologist.
primatologist
Prison Guards
a scientist
zoologist
You call someone that studies metal a metallurgist.
A physicist.
a person who studies planets is a planetologist.
There is no special name for someone who studies Hebrew.
A numismatist.
A Zoologist
An Anthropologist.
malacologist
euclidist
Gemologists
psychologist
A Technologist. :)