Who has been dubbed the "father of optics",  Ibn al-Haytham or Ibn Yunus?
Ibn al-Haytham: Ibn al-Haytham (also known by the Latinization Alhazen or Alhacen, full name "Abū ʿAlī al-Ḥasan ibn al-Ḥasan ibn al-Haytham " أبو علي، الحسن بن الحسن بن الهيثم  ) was a Muslim scientist, mathematician, astronomer, and philosopher. Ibn al-Haytham:  Ibn al-Haytham made significant contributions to the principles of optics, astronomy, mathematics and visual perception.
i don't know