The people that study ruins are archaeologist.
Archaeologist
study written records
The study of laughter is called Gelotology.
orntology .
Everybody studies science -- science is what you call learning about how things work, and we all do that during our lives. People who study science as a career are called scientists.
That person is called an archaeologist. They study human history and prehistory through the excavation of sites and analysis of artifacts.
ruins mostly.
ruins mostly.
People who study pathology are called pathologists.
pharmacologists
dictoneran
Observant.
Zoologist
Physiologists
Sedimentologists.
Hemographers
Zoologists.