This document summarizes several theories of organizational control and management. It describes classical theories from Taylor, Fayol and Weber that focused on scientific management and bureaucracy. It then discusses transitional theories from Follett and Barnard that emphasized human factors. Next, it outlines the human relations movement based on the Hawthorne studies. Finally, it presents several human resource development theories including Maslow's hierarchy of needs, McGregor's Theory X and Y, Likert's systems of management, and Ouchi's Theory Z.