A person who, as a job or fascination, does extensive research on a particular subject. Usually correcting any factual errors in what another person says.
He was a research goblin for the news channel.
When one observes a researcher conducting secondary research, it can be termed as engaging in tertiary research. This is not exclusive to academic researchers; anyone observing another person researching information on the internet can also be considered as conducting tertiary research.
"Oh, did you come up with this in your tertiary research?"
During a conference "The claims made in my paper were largely based on thorough tertiary research conducted in the pub last Friday"
N. Primary recording studio of Mr. Zappellin.
Mr. Zappellin made most of his albums at Research Sector 7885.