Al-Juwayni, Persian jurist and theologian (died 1085)
Dhia' ul-Dīn 'Abd al-Malik ibn Yūsuf al-Juwaynī al-Shafi'ī (Persian: امام الحرمین ضیاءالدین عبدالملک ابن یوسف جوینی شافعی, 17 February 1028 – 20 August 1085; 419–478 AH) was a Persian Sunni Shafi'i jurist and mutakallim theologian. His name is commonly abbreviated as Al-Juwayni; he is also commonly referred to as Imam al Haramayn, meaning "leading master of the two holy cities", that is, Mecca and Medina.