Prehistoric event studier
You call someone that studies metal a metallurgist.
A physicist.
A person who studies prehistoric times is called an archaeologist. Archaeologists study ancient human societies by analyzing artifacts, structures, and other physical remains to better understand past cultures and civilizations.
a person who studies planets is a planetologist.
There is no special name for someone who studies Hebrew.
An Anthropologist.
malacologist
euclidist
Gemologists
psychologist
A numismatist.
A Zoologist