A cloudologist, or a meteorologist.
Horologist
Call in an expert to fix it.
temperture
expert opinions about matter and energy
well i think it is the electron cloud
Expert, Knowledgeable, etc..
dead cloud
pullicologist
An expert at table talk is called a deipnosophist.
Horologist
A mathematician.
Horologist
Horologist
Toxicologist.
Fog
A biologist
A Welcher?