Shaykh-ul-Islam Dr Muhammad Tahir-ul-Qadri was Professor of Law and Head, Department of Islamic Jurisprudence and Legislation at the University of the Punjab. He is the founder of Minhaj-ul-Quran International, which has centres in over ninety countries. He studied Islamic sciences under eminent scholars around the world, and has received 500 authorities and chains of transmission in various branches of Islamic knowledge. He has published over 450 books, and delivered over 6,000 lectures around the world.