Ibn Khaldun
Ibn Khaldun was an Arab sociologist, philosopher, and historian widely acknowledged to be one of the greatest social scientists of the Middle Ages, and considered by many to be the father of historiography, sociology, economics, and demography studies.
27 May 1332
Born on the same birth day (27 May): Arthur Mold • Douglas Lloyd Campbell • Eric Bischoff • Lee Meriwether • Louis Gossett Jr. • Siouxsie Sioux • Theodor Curtius • Zhu Quan