Aidh al-Qarni
Dr. Aaidh ibn Abdullah al-Qarni, is a Saudi Muslim scholar, author, and activist. Al-Qarni is best known for his self-help book La Tahzan, which is aimed at Muslims and non-Muslims alike. Al-Quarni is on the United States No Fly List and was barred entry in 2012 and 2015 to attend a convention in Chicago.