In this essay, Jason G. Duesing asks and answers the question, “What is Historical Theology?” to show the task of a historical theologian is to function as a servant of the church who reminds present and future readers of previous actions and theological developments from earlier eras in Christianity’s history. 

Jason G. Duesing, “Introduction,” in Historical Theology for the Church, Duesing and Nathan A. Finn, eds. (B&H Academic, 2021).