Photography
By Tyler Rich
Alhazen
Hasan Ibn al-Haytham(Alhazen) was an arab (born c.695 Basra,Iraq-diedc.1040 Cairo,Egypt)mathematician and astronomer who made significant contributions to the principles of optics and the use of scientific experiments.
Alhazen was the creator of the camera obscura which is a device that makes use of an optical phenomenon in which light rays reverse themselves when they pass through a small aperture.The light rays pass through a small hole and flip themselves upside down on a screen that is placed parallel to the hole.