1) Al-Razi was PhilosopherDoc and ChemistryDoc

Persian scholar
Medieval era
Name: Al-Razi
Birth: 865
Death: 925
School/tradition:  
Main interests: Chemistry, Medicine, Biology, Science

Abū Bakr Muhammad ibn Zakarīya al-Rāzi (Persian: زكريای رازی Zakaria ye Razi; Arabic: ابو بکر محمد بن زكريا الرازی; Latin: Rhazes or Rasis). According to al-Biruni he was born in Rayy, Iran in the year 865 AD (251 AH), and died there in 925 AD (313 AH).

Razi was a versatile Persian physician, philosopher, and scholar who made fundamental and enduring contributions to the fields of medicine, alchemy, and philosophy, recorded in over 184 books and articles in various fields of science, his most important accomplishment being the discovery of alcohol. He was well versed in Greek medical knowledge and added substantially to it from his own observations.

citation from http://en.wikipedia.org/wiki/Al-Razi , go there to see more!

http://en.wikipedia.org/wiki/Al-Razi#Philosophy