Spectrology is the study of ghosts, phantoms or apparitions.
Other words meaning the same are "phantasmology" or "spookology"
So I guess the person who studies ghosts would be either "A spectrologist," "A phantasmologist," or "A spookologist."
I hope this answer has helped,
All the best. :)
a person who studies paranormal thing or unusual things including ghosts, poltergiests, and ufo's
What is the name of a person that studies organisms
A person who studies sand is known as a psammologist.
A person who studies sound is called an acoustician.
An entomologist is a person who studies insects.
What is the name of a person that studies derivation of
A person who studies audiology would be called an audiologist.
A horologist studies time.
Etymologist
zoologist
A dietician.
chiropterologist