Hasan Ibn al-Haytham (latinized Alhazen; cikakken suna Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham أبو علي, الحسن بن الحسن بن الهيثم; c. 965 <unk> c. 1040) wani masanin lissafi ne na Larabawa, masanin astronomer, kuma masanin kimiyyar lissafi na Zamanin Zinariya na Islama. Wani lokaci ana kiransa "mahaifin zamani na zamani", ya ba da gudummawa mai mahimmanci ga ka'idojin gani da gani musamman, aikinsa mafi tasiri shine Kitāb al-Manāẓir (كتاب المناظر Hay Hay Hay, "Littafin Optics"), wanda aka rubuta a lokacin 1011 <unk> 1021 wanda ya tsira a cikin Latin Latin. Wani marubucin polymath, ya kuma rubuta a kan falsafar, da kuma magani. Ibn Ibn al-Haytham shi ne na farko da ya bayyana cewa hangen nesa yana faruwa a lokacin da haske ya wuce daga wani abu mai haske da haske. An ba shi sunan "Abin al-Haytham" a farkon karni na biyar kafin haihuwarsa a Misira, kuma an
Alhazen