The end of the book's Bodleian Library manuscript, in which two leaves were added much later, calls him Abdullah Yazdi.
[1] Another work, Subh-i Sadiq, dates Abdullah Yazdi to the same period, and describes him as an immigrant to India and a pupil of Khwaja Jamaluddin Mahmud Shirazi.
[1] Abdullah Tabib's Farid[b] is a work on medicine that discusses hygiene and treatment of diseases through proper food and simple drugs.
[3] For example, the author considers polygonum aviculare (anjabar or knot grass) as the best drug for treating hematuria.
[1] The author quotes from several earlier writers including Hippocrates, Plato, Masawaiyh, Abu Bakr al-Razi, and Ibn Zuhr.