A Naturalist
A botanist.
oceanographer
They would be known as an Oceanographer.
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.
It is a biologist. See the related link for more information.A Biologist. There are several specialised scientific studies branching off from biology.
A person who studies caves is called a speleologist or a caver. They study the physical structure, formation, and geological features of caves, as well as the life forms that inhabit them.
There is no specific name for a person who studies squids. A marine biologists is someone who studies ocean life.
There is no special name for someone who studies Hebrew.
Someone who studies planetary systems is called a planetary scientist
An archaeologist studies past human life by examining artifacts, while a paleontologist studies ancient life forms by studying fossils.
chemist