a person who is an authority on history and who studies it and writes about it
同义词：historian
historiographer详细解释
his.to.ri.og.ra.pher n.（名词）A specialist in historiography.编史者，史官：编史工作方面的专家A historian, especially one designated by a group or public institution.史料编纂者：尤指由一群人或公众机构指定的历史学家
