George Edwin Mowry (September 5, 1909 – May 12, 1984) was an American historian focusing primarily on the Progressive Era. As a professor at UCLA and the University of North Carolina at Chapel Hill, he taught large classes and directed over 50 PhD dissertations. Mowry published five books, co-authored six others and edited three books. He published 10 book chapters, over 50 encyclopedia articles and over 100 book reviews in magazines and professional journals. He joined as coauthor of a highly successful university textbook. He was active in many organizations, especially the Organization of American Historians. His interpretation of the middle class foundation of the Progressive Era remains influential.