Statue of Ibn Khaldoun (Abū Zayd ‘Abd ar-Raḥmān ibn Muḥammad ibn Khaldūn al-Ḥaḍramī - أبو زيد عبد الرحمن بن محمد بن خلدون الحضرمي‎) ,andalusi historian who is claimed to be a forerunner of the modern disciplines of historiography, sociology, economics, and demography.