Bridgeologist
A biotechnology scientist.
of course a technologist
Technologist.
Someone who studies bridges is typically referred to as a civil engineer, specifically a structural engineer. They focus on the design, construction, and maintenance of bridges, ensuring their safety and functionality. Additionally, researchers or academics in this field may be called bridge engineers or bridge researchers, depending on their specialization.
Draw bridge
A biotechnology scientist.
An Oceanographer. Marine Biologist, that sort of thing.
A scientist that studies viruses is called a virologist.
A scientist who studies mollusks is called a teuthologist.
A scientist that studies bears would be called an ursinologist.
virologist
An aviologist.
biologist
A meteorologist.
A vulcanologist
Mineralogists
astronomer