I can list a hundred scientists from the land of Afghanistan after the arrival of Islam. Now I want just one name of the scientist from the same place who lived prior to the arrival of Islam. Now tke this as a challenge. Let me start with the Al-Biruni
A Princeton Mathematician writes in the premier science magazine -American Scientist - The Magazine of Sigma XI,The Scientific reasearch society,it says in its webiste the following
....At a time when Europeans believed that the Earth was flat, Muslim scientists knew how to correct for the Earth's curvature. Two recently discovered instruments have proved that Islamic mathematicians were even further ahead of their time than anyone knew....