The document outlines the evolution of personnel/human resource management from the pre-industrial revolution period through post-industrial revolution. It discusses how personnel management emerged during the industrial revolution to address issues like worker wages, records, and facilities. It then discusses how major studies and theories after 1850 shifted the focus to increasing worker satisfaction and viewing workers as a valuable resource, transitioning personnel management to human resource management. Finally, it lists some major current activities of HR departments like recruitment, training, and performance appraisals.