Meteorologist
A person who studies rainbows is called a "rainbowologist."
A person who studies snowflakes is called a cryologist or a snowflake scientist.
An astronomer.
A person who studies Mars is typically referred to as a Martian scientist or a Mars researcher.
Meteorologist
A person who studies meteorology is a meteorologist.
A person who studies genealogies is a genealogist.
a person who studies people but not an psychologist
A person who studies organisms is called a biologist.
a person that studies gems is called a gemologist.
what do you call somebody who studies snails.
meteorologist
A person who studies poisons is called a toxicologist.
A person who studies the earth is called a geologist.
A person who studies birds is called an ornithologist.
A person who studies birds is called an Ornitholoigst