Ibn Khaldun portrait

 ibn khaldun, historian, philosopher, arab scholar, north africa, medieval history, sociology, historiography, social theory, political theory, economics, civilization, culture, society, asabiyyah, group solidarity, state formation, dynastic cycle, rise and fall, urban life, rural life, nomadic tribes, education, scholarship, islamic thought, intellectual history, human behavior, social dynamics, historical method, critical analysis, knowledge, wisdom, classical text, muqaddimah, academic study, cultural analysis, governance, leadership, tradition, legacy