Abū al-Ṣalt, Umayya b. ʿAbd al-ʿAzīz b. Abū al-Ṣalt (460–529/1068–1135), was an Andalusian man of letters, poet, astronomer, mathematician, philosopher, musician, physician and pharmacologist known as al-Ṭabīb al-Faylasūf (the Physician-Philosopher). Born in Denia (Dāniya) south of Valencia in al-Andalus, he spent his childhood and adolescence in al-Andalus and studied under scholars such as Abū al-Walīd al-Waqqashī, the qāḍī of Denia (Yāqūt, 7/52–53; Ibn Khallikān, 1/220–223; Ibn Abī Uṣaybiʿa, 2/52; Ibn Saʿ…