Who Was Abu Rehan Muhammad Bin Ahmed Al-Beruni?
Al-Beruni’s full name is Abu Rehan Mohammad bin Ahmed Al-Beruni. He was born in 973 C.E. at Khawarzim (the old name of Kala-Kalpakskaya in present Uzbekistan). He is remembered by the world as a great and outstanding Astronomer, Physician, Physicist, Mathematician, Geographer, Geologist and Astrologer. Because of his wonderful contributions in most of the above mentioned fields, Abu Rehan Mohammad bin Ahmed Al-Beruni has been given the title of ‘al-Ustadh’. He was also a good linguist and mastered Greek, Syriac and Sanskrit. He was a contemporary of Ibn Sina (known as Avicenna in the West). Abu Rehan Mohammad bin Ahmed Al-Beruni discovered seven different ways of finding North and South directions. He is probably the first scientist to thoroughly discuss and prove that the Earth moves or rotates around its axis. He also calculated the Longitudes and Latitudes very accurately. All these calculations, observations and Theories are presented in his book ‘Al-Ather Al-Baqia’. He stated that
