The document outlines the evolution of management approaches from early approaches to modern and emerging ones. It discusses influential classical theorists like Taylor, Fayol, and Weber and their scientific management, administrative theory, and bureaucratic management approaches. It also summarizes the behavioral approach with Hawthorne studies and theorists like Maslow and McGregor. Quantitative approaches involving management science, operations management, and management information systems are covered as well. The systems theory and contingency theory are provided as examples of modern management approaches. Emerging approaches discussed include Theory Z and quality management.