Final answer:
Max Weber, Henri Fayol, and Frederick W. Taylor are the three pioneers of administrative management theory, with contributions such as Weber's bureaucracy, Fayol's management principles, and Taylor's scientific management. Option A , B and E
Step-by-step explanation:
The pioneers of administrative management theory include Max Weber, Henri Fayol, and Frederick W. Taylor. Max Weber is renowned for his emphasis on bureaucracy and formal organizational structures, which had a profound impact on administrative management theory.
Henri Fayol is known for his development of the 14 principles of management and for being one of the first to systematize managerial behavior. Frederick W. Taylor, known for his 'Principles of Scientific Management', argued the importance of scientific study in improving efficiency by eliminating unnecessary steps and wasted motions, a practice that later became known as Taylorism.
Therefore, the individuals who helped pioneer administrative management theory are A) Weber, B) Fayol, and E) Taylor.