Bureaucracy, as propounded by Max Weber, emphasizes the importance of formal structure, clear lines of authority, and a hierarchical system of decision-making.

Frederick Taylor is widely regarded as the father of Scientific Management, which focuses on increasing efficiency and productivity through scientific analysis of work processes.

Human Relations theory, associated with Elton Mayo, emphasizes the importance of employee motivation, job satisfaction, and social interactions in the workplace.

Contingency Theory suggests that there is no one best way to manage, and that the most effective organizational structure and management practices depend on the specific context and environment in which the organization operates.

Max Weber introduced the concept of the 'iron cage' to describe the potential negative consequences of bureaucracy, where individuals become trapped in a rigid and impersonal system.

Culture Theory, associated with Edgar Schein, emphasizes the importance of organizational culture, shared values, and symbols in shaping organizational behavior and decision-making.

Institutional Theory focuses on the influence of external factors, such as cultural norms, legal regulations, and industry standards, on organizational behavior and structure.

Political Theory in organizational studies examines the role of power, politics, and conflicts in shaping organizational behavior and decision-making.

Herbert Simon introduced the concept of 'bounded rationality,' which suggests that decision-makers are limited by cognitive constraints and rely on simplified models and heuristics in making decisions.

Learning Theory in organizational studies focuses on how organizations learn from their experiences and adapt to changing environments.

Resource Dependence Theory examines how organizations depend on external resources and how this dependence affects their behavior and decision-making.

Network Theory in organizational studies focuses on the importance of networks, relationships, and social capital in organizational success.

Oliver Williamson developed the concept of 'transaction cost economics,' which examines the costs associated with economic transactions and how organizations structure themselves to minimize these costs.

Innovation Theory in organizational studies focuses on the role of innovation and creativity in driving organizational success and competitiveness.

Agency Theory examines the conflicts of interest that arise between owners (principals) and managers (agents) in organizations.