Name the greatest Muslim scientist who collected herbs from Spain to Syria and wrote an outstanding book “Kitab-al-Jami fi Adwiya-al-Mufrada’.

A. Al- Razi
B. Ibn al baitar 
C. Al-faraibi
D. Al-khuwarzmi

Explanation:

Diyāʾ al-Dīn Abū Muḥammad ʿAbd Allāh ibn Aḥmad al-Mālaqī, commonly known as Ibn al-Bayṭār  (1197–1248 AD) was an Andalusian Arab physician, botanist, pharmacist, and scientist. His main contribution was to systematically record the additions made by Islamic physicians in the Middle Ages, which added between 300 and 400 types of medicine to the one thousand previously known since antiquity. He was a student of Abu al-Abbas al-Nabati.