a parasitologist or refratorologist
A person who studies snowflakes is called a cryologist or a snowflake scientist.
An astronomer.
Meteorologist
A person who studies Mars is typically referred to as a Martian scientist or a Mars researcher.
Rainbows are studied by scientists called atmospheric scientists or meteorologists who specialize in studying the formation and behavior of rainbows in the atmosphere. They use principles of physics, optics, and meteorology to understand how rainbows are formed and why they appear in certain conditions.
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.
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
A person who studies the mind is called a psychologist.
A person who studies theology is called a theologian.
A person who studies lichens is called a lichenologist.