Titles in the Core Text series take the reader straight to the heart of the subject, providing focused, concise, and reliable guides for students at all levels. This chapter looks at history and theory associated with corporate governance. It first considers Berle and Means’ concern about the separation of ownership from control, particularly managers’ lack of accountability not only to investors but also to society in general. It then traces the emergence of the Berle and Means corporation and examines major influences on corporate theory, citing concession theory, fiction theory, corporate realism, and aggregate theory. It also discusses economic theories that have influenced scholarship on corporate law.