Historiographer
Historiographer (his*tō`ri*og"rȧ*fẽr) , noun
[Latin historiographus, Greek "istoriogra`fos; "istori`a history + gra`fein to write: compare French historiographe.]
An historian; a writer of history; especially, one appointed or designated to write a history; also, a title bestowed by some governments upon historians of distinction.