Bridgeologist
civil engineers, structural engineers, and architects are the main bridge builders.
of course a technologist
A biotechnology scientist.
Technologist.
You call someone that studies metal a metallurgist.
A physicist.
a person who studies planets is a planetologist.
florist
Microbiologists
An Anthropologist.
malacologist
A Zoologist
Brocollogist
A physicist.
Musician.
euclidist