the second is correct, although the first is more colloquially accepted now.
The possessive form of the noun historian is historian's.Example: The historian's presentation was very interesting.
The historian is studying Benjamin Franklin.
A historian is somebody who studies history, and writes all about it.
We don't know who "this" historian is so we don't have the answer.
The noun 'historian' is a common noun, a word for any historian anywhere.A proper noun is the name of a person, place, thing, or a title; for example:Pam Henson, Historian, Smithsonian InstitutionHistorian Street, Raleigh, NCHistorian Hotel, Adelaide SA, AustraliaThe Historian Bar, Paddington, London, UK'The Historian' by Elizabeth Kostova
it is a historian.
The historian was confused by the evidence presented to him. They were unable to get a definitive answer from the historian.
The correct possessive form of "historian" is "historian's." This form indicates that something belongs to or is associated with a specific historian. For example, you might say, "The historian's research was groundbreaking."
Historian
The plural of historian is historians.
Polybius was a Greek historian.
A renowned American historian was Caleb Carr(American military historian).
Polybius was a Greek historian.
She was a historian at the desert museum
a historian studies history
The possessive form of the noun historian is historian's.Example: The historian's presentation was very interesting.
Both "an historian" and "a historian" are correct, but generally "a historian" is more commonly used. The use of "an historian" follows British English rules of using "an" before words that begin with a silent 'h'.