In the Middle Ages, Christian thinkers devoted much time in refuting the Classical ideas on demography. Important contributors to the field were William of Conches,Peter Biller,The measure of multitude: Population in medieval thought. Bartholomew of Lucca, William of Auvergne, William of Pagula, and Muslim sociologists like Ibn Khaldun.See, e.g., Andrey Korotayev, Artemy Malkov, & Daria Khaltourina (2006). Introduction to Social Macrodynamics: Compact Macromodels of the World System Growth . Moscow: URSS, .
in tHE mIDDle ages, christIan tHinkErs dEVoted Much time in ReFutIng thE ClassiCaL ideaS On DEmoGraphy. important CoNtributoRs to the field werE WilLiam of Conches,pETer BIllEr,tHe MeaSure oF multiTuDE: pOpuLation in MEdievAl tHouGhT. BarthOloMeW of luccA, wILLiaM of aUVergnE, WiLLIAm of Pagula, and musliM sOciOlogiSTs LIke iBn khaldUn.See, E.G., ANDRey KoroTayev, arTemy maLKoV, & dariA KhALtOuRINA (2006). INTROductioN tO sOCial MaCrodynamIcs: cOMpACt mAcromodeLs Of The WoRlD sYSTem GRoWth . mOScow: urSs, .