Al-Naasikh wa Al-Mansookh was written by Abee Jaʿfar An-Nahhaas (died 949 / AH 338) He was an Egyptian scholar of grammar and tafseer during the Abbasid period. His full name was Abu Jaʿfar Ahmad Ibn Muhammad Ibn Ismail Ibn Yunus al-Muraadi, his surname was an-Nahhaas "copper-worker" (a title for a person who make brass vessels).
Born in Al-Fustat Egypt, he studied in Baghdad under the foremost grammarians of the period. He is the author of one of the most influential works on abrogation, (Which is Pictured Below) Al-Naasikh wa Al-Mansookh. He also wrote a treatise on the grammatical analysis of the Qur'an and a grammatical primer known as "The Apple" (التفاحة at-Tufaaha), besides works on poetry, including a commentary on the Mu'allaqat.
It was reported that the Shaykh was killed as he was reciting poetry sitting on the banks of the Nile in Cairo, as someone passed by him and thought that he was uttering a charm to prevent the rise of the Nile, "so as to raise the price of provisions" so he was thrown into the river and consequently drowned.
An-Naasikh wa Al-Mansookh is printed by Dar Al-'Aasimah. Printed in Three volumes on yellow paper makes it a must have for any aspiring student of knowledge.