(Vernet 1996، ص. 788): "IBN AL-HAYXHAM, B. AL-HAYTHAM AL-BASRI, AL-MisRl, was identified towards the end of the 19th century with the ALHAZEN, AVENNATHAN and AVENETAN of mediaeval Latin texts. He is one of the principal Arab mathematicians and, without any doubt, the best physicist." Vernet, J. (1996) [1960], "Ibn al-Haytham", in Gibb, H. A. R.; Bearman, P. (eds.), Encyclopaedia of Islam (First ed.), Leiden: Brill Publishers, ISBN9789004161214.
J., Vernet. "Ibn al-Hayt̲h̲am". Encyclopaedia of Islam (به انگلیسی)."Abu ʿAlī al-Ḥasan b. al-Ḥasan b. al-Hayt̲h̲am al-Baṣrī al-Miṣrī , was identified towards the end of the 19th century with the Alhazen , Avennathan and Avenetan of mediaeval Latin texts. He is one of the principal Arab mathematicians and, without any doubt, the best physicist."
For the description of his main fields, see e.g. (Vernet 1996، ص. 788) ("He is one of the principal Arab mathematicians and, without any doubt, the best physicist.") (Sabra 2008), (Kalin، Ayduz و Dagli 2009) ("Ibn al-Ḥaytam was an eminent eleventh-century Arab optician, geometer, arithmetician, algebraist, astronomer, and engineer."), (Dallal 1999) ("Ibn al-Haytham (d. 1039), در غرب با نام الهازن شناخته میشود، was a leading Arab mathematician, astronomer, and physicist. His optical compendium, Kitab al-Manazir, is the greatest medieval work on optics.") Vernet, J. (1996) [1960], "Ibn al-Haytham", in Gibb, H. A. R.; Bearman, P. (eds.), Encyclopaedia of Islam (First ed.), Leiden: Brill Publishers, ISBN9789004161214.
"Ibn al-Hayt̲h̲am". Brill Reference (به انگلیسی). 2014-12-29. Archived from the original on 29 December 2014. Retrieved 2014-12-29.{{cite web}}: نگهداری یادکرد:تاریخ و سال (link)
"Ibn al-Hayt̲h̲am". Brill Reference (به انگلیسی). 2014-12-29. Archived from the original on 29 December 2014. Retrieved 2014-12-29.{{cite web}}: نگهداری یادکرد:تاریخ و سال (link)