Shaikh Abdul Karim bin Huazan Al-Qushairi – (986-1072) (عبد الكريم بن هوازن القشيري) was an Arab Muslim scholar and theologian famous for his works on Sufism. He was born in 986 CE in Nishapur, Khorasan, Iran. He studied in Nishapur under his Shaikh Abu Ali al-Daqqaq. Later he traveled to Baghdad where he was benefited from the patronage of Nizam-ul-Mulk, the Minister of the Caliph at that time. Shaikh Ghazali (1058-1111) was 14 years younger than Shaikh Qushairi who was also benefitted from the patronage of Nizam-ul-Mulk while he taught at his Madrasa Nizamia in Baghdad. Shaikh Qushairi’s other contemporaries were Shaikh al-Juwayni and Imam al-Bayhaqi. He wrote many books including Tafsir Al-Quran titled ‘Lata'if al-Isharat bi-Tafsir al-Quran.’ His most famous work is titled ‘Al-Qushairi’s Epistle on Sufism’ (الرسالة القشيرية في علم التصوف).