This document discusses several management theories and how they relate to human resource management. It begins by outlining Frederick Taylor's scientific management theory and Max Weber's bureaucratic theory. It then discusses Henry Fayol's 14 principles of management. Next, it covers McGregor's Theory X and Theory Y approaches to worker motivation. Finally, it discusses how these classical theories can be applied to modern human resource management practices through contingency theory, resource-based theory, and other frameworks. The document emphasizes aligning human resource strategies with organizational goals and the changing demands of globalization.