This document discusses the differences between academic, public, and popular history. It defines each field and their intended audiences. Academic historians aim to create new knowledge and publish in peer-reviewed journals, targeting other academics. Public historians interpret history for broader understanding, working with museums and media. Popular historians entertain and tell compelling narratives, targeting general audiences. The fields can overlap and influence each other. Historians must consider audience when selecting topics and communicating research in various forms appropriate to each field.