He is Zain Udeen Ibn Ibrahim Ibn Muhammad Ibn Bakr, more famously known as Ibn Nujaym. He was born in Cairo in 926 AH
He has written several books and treatises such as :
- Bahr al-Raaiq a commentary on Kanz al-Daqaaiq
- Sharh of Manar in Usool Fiqh
He passed away in 970 AH, on Wednesday morning in the month of Rajab.
