Who is book was thafseerul kabeer?

The book "Tafseerul Kabir" is by Imam Fakhruddin al-Razi, a prominent Islamic scholar and philosopher who lived in the 13th century.

Tafseerul Kabir is a comprehensive and extensive commentary on the Quran. It is known for its depth, detailed analysis, and inclusion of philosophical and theological discussions.

It's important to note that while the book itself is called "Tafseerul Kabir", it's more accurately referred to as "Mafatih al-Ghayb" ("Keys to the Unseen"), which is the full title of the work.