The document discusses the evolution of organizational behavior (OB) from the industrial revolution to modern HR practices, highlighting key figures, contributions, and principles related to employee welfare, management models, and the significance of understanding human behavior in organizations. It explores various models of OB, including autocratic, supportive, collegial, and custodial, along with the foundational factors influencing individual behavior such as personal, psychological, and environmental aspects. The document also delves into whistleblowing cases like the Ranbaxy scandal, illustrating the consequences of unethical practices in organizations.