This document summarizes the history and development of administrative science from early thought to modern theories. It discusses ideas from Chinese, Athenian, Roman, Enlightenment, Old Public Administration, Public Management, New Public Management, and Governance perspectives. Key concepts discussed include hierarchy, continuity, impartiality, standardization, legal-rational authority, professionalism, flexibility, empowerment, and performance-based systems. The document presents an overview of the evolution of administrative thought over time.