Khwaja Nizam-ud-Din Ahmad Bakshi was a Muslim historian of late medieval India. He was the son of Muhammad Muqim-i-Harawi. Nizamuddin Ahmad wrote the book Tabaqat-i-Akbari which is a general history of the Muslim rule in India coming down to the year of its composition.
Firdausi was a persian poet and the author of Shahnameh also known as “Book of Kings”, which is one of the world’s longest epic and the national epic of Greater Iran.