Which Persian artist was known for his scientific achievements, rather than his poetry; Jami or Al-Khazini?
Al-Khazini Abu al-Fath Abd al-Rahman Mansour al-Khāzini or simply Abu al-Fath Khāzini (Arabic: أبو الفتح الخازني‎ ‎ , Persian: ابولفتح خازنی‎ ‎ ) (flourished 1115–1130) was a Muslim astronomer from Merv, then in the Khorasan province of Persia (located in today's Turkmenistan). Merv was known for its literary and scientific achievements.
Abu al-Abbas al-Nabati Ahmad bin Muhammad bin Mufarraj bin Ani al-Khalil, better known as Abu al-Abbas al-Nabati, Ibn al-Rumiya or al-Ashshab, (Arabic: أبو العباس النباتي‎ ‎ , "Abu’l-ʿAbbās al-Nabātī")  (c. 1200) was an Andalusian scientist, botanist, pharmacist and theologian. He is noted for introducing the experimental scientific method in the area of materia medica. His techniques such as separating verified and unverified reports led to the development of the field of pharmacology. He was a teacher of fellow Andalusian botanist Ibn al-Baitar.