Al-Juwayni
Dhia' ul-Dīn 'Abd al-Malik ibn Yūsuf al-Juwaynī al-Shafi'ī (Arabic إمام الحرمين ضياء الدين عبدالملك بن يوسف الجويني, 17 February 1028 – 20 August 1085; 419–478 AH) was an Iranian Sunni scholar famous for being the foremost leading jurisconsult, legal theoretician and Islamic theologian of his time. 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.