n. 历史家, 史料编纂者

[ noun ]
a person who is an authority on history and who studies it and writes about it
<noun.person>

Historiographer \His*to`ri*og"ra*pher\
(h[i^]s*t[=o]`r[i^]*[o^]g"r[.a]*f[~e]r), n. [L.
historiographus, Gr. "istoriogra`fos; "istori`a history +
gra`fein to write: cf. F. 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.