He is the author of "Al-Kashshaf," considered one of the most famous books of Quranic exegesis, which gained widespread fame and great appreciation in all circles. In this video, we learn more about Al-Zamakhshari. Who was Al-Zamakhshari? Abu al-Qasim Mahmud ibn Umar ibn Muhammad ibn Umar al-Khwarizmi al-Zamakhshari was born in Zamakhshar, a suburb of Khwarazm, in the 17th century.