This document discusses different management theories including classical theory, scientific management, bureaucratic management, and Fayol's principles of management. Classical theory emphasizes following instructions to manage. Scientific management uses step-by-step scientific methods to find the single best way to do jobs. Bureaucratic management believes efficiency comes from rational authority and division of labor based on Max Weber's work. Fayol identified 14 principles of management such as division of work, authority, and equity. The document provides details on different theorists and their contributions to the evolution of management theories.