Palaeontologist. Watch Friends. Ross is one.
paleontologist
archaeologist
That would be a marine biologist.
That would be paleontology, the study of prehistoric life forms by an examination of the fossil record. Glaciology is the study of glaciers and their effects, and hydrology is the study of the movement, distribution, and quality of water throughout its cycle.
A microbiologist.
hyponism :)
A paleontologist would generally study paleontology.
a physicist
An astronomer.
Volcanologist.
a physist
historians