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orology
It is someone who studies weather and forecasts it but, they can also tell what air travel is like as well.
Oceanologist is someone that studies oceans. An oceanologist studies oceans
Agronomist is a person who studies the soil and the plants.
Orologist
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.
A numismatist.
A Zoologist
An Anthropologist.
malacologist
euclidist
Gemologists
psychologist
A Technologist. :)