Classical management theories focused on supervision, organization, and group performance to guide managers. Early theories based leadership on reward and punishment. Theories like scientific management, bureaucracy, and administrative management viewed the organization as a machine and humans as parts. Specific theorists like Taylor, Fayol, and Weber developed principles for each theory focused on specialization, hierarchy, efficiency and standardized processes. Criticisms included the theories taking a rigid view of humans and ignoring decision making processes.