Technologist.
Bridgeologist
of course a technologist
A biotechnology scientist.
A person who studies nanotechnology is typically referred to as a nanotechnologist. They may come from various scientific backgrounds, including physics, chemistry, materials science, or engineering, and focus on manipulating matter at the nanoscale to develop new materials and technologies. Nanotechnologists often work in research, academia, or industry, exploring applications in fields like medicine, electronics, and energy.
a person who studies people but not an psychologist
A person who studies genealogies is a genealogist.
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 lichens is called a lichenologist.
A person who studies theology is called a theologian.