How are you saying that ? I being a Communist am anti-tribalism because it is an irrational concept and humankind is a single race but I must ask you your basis of argument.
Ismail al-Jazari, the engineer and the inventor who made mechanical machines was the originator of the the stream of innovation that leads us to discuss on computers on PDF. He inspired Leonardo da Vinci. Ismail wasn't Irani but from non-Irani background from an area that was the conjunction between modern Iran, Syria and Turkey.
Al-Jahiz was the first person to propound Evolution Theory a thousand years before Darwin (
@Indos, you must read of this man ). He wrote :
Lastly, the five-prayer-a-day thing among Muslims now is an adaptation from Iran's Zarthushti / Zoroastrian religion. Perhaps this is the contribution you speak of ?
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Iran has always been the historic name I think and
means "Land of the Aryans". Persia is the Greek name for a Southern Irani area called "Parsa" and now "Fars". From Wikipedia page "Iran ( word )" :
As for Islamic Golden Age,
these are supposed to be the original letters that Hazrat Muhammad wrote to the rulers of Egypt, Ethiopia, the Roman emperor of the Byzantine empire, the ruler of Bahrain, the prince of Yemen, the ruler of Syria and of course the ruler of Iran, Khusro. I don't know if these letters are indeed original or later copies but anyone knowing Arabic ( I don't ) can have a look at the photos of these letters and see if the reference to Iran is "Iran" or "Fars" or "Parsa" or "Persia" or "Ajam" but even so, if the letters are later copies we won't know what name was actually used for Iran.