Ala al-Dīn Ali ibn Muhammed
Ali Al-Qushji was one of the most noteworthy and important scientists in the Islamic world. He wrote valuable works especially on astronomy and mathematics. He was a student and co-worker of the famous statesman and scientist Ulugh Beg. After Ulugh Beg’s death, Ali Al-Qushji left Samarqand to Tabriz where he worked for Akkoyunlu Ruler Uzun Hasan. Afterwards, he worked for the Ottoman Sultan Muhammad II in Istanbul during the last two years of his life.