Abu-al-Hassan, Ala-a`Ddeen Ali Ibn Abe`l-Hazm Ibn a`Nnafees al-Qurashi a`Ddimashqi (607-687 A.H.) was born in Damascus, wherein he grew up and was occupied studying sciences as syntax, jurisprudence, medicine, theology, tradition, logic, etc. His most well known masters in medicine were Muhadhdhib a`Ddeen a`Ddakhwar and Umran Israeli. After completing his studies, he left Damascus for Cairo, wh...

from bygone to now, colors are aspects of nature that have been regarded scientists. in ancient greece, essence of color and its relationship with light and vision in natural philosophy and especially optics has been studied. results of greek thinkers in the field chromatics, from pythagoras to aristotle through of translating scientific and philosophical texts, received to muslim scholars and ...