Gemologists
you call it chemist i think
A magnetometer is a device used to measure the intensity and direction of a magnetic field.
scientest
An aviologist.
On the phone.
You call someone that studies metal a metallurgist.
A physicist.
a person who studies planets is a planetologist.
There is no special name for someone who studies Hebrew.
florist
An Anthropologist.
Microbiologists
Brocollogist
A Zoologist
malacologist
A physicist.
a meteorologist.