His Works Al-Razi's writings, according to one authority, number over and range in subject matter from medicine and surgery to mathematics, chess, and music.
Razi was a generous person by nature, with a considerate attitude towards his patients. Al-Razi's classification of minerals into six divisions anticipated modern chemistry  : 1. The Continens has been termed one of the most valuable and interesting medical books of antiquity, and al-Razi's reputation as the greatest Islamic clinician rests in large part on the case histories recorded in this work.
In Doubts about Galen Shukuk 'ala alinusoral-Razi challenged the fundamental principles of contemporary medicine, which were based on the theories of Galen.
He produced over one hundred works on medicine alone, and another hundred on alchemy, chemistry, psychology, and philosophy. Razi's portrait adorns the great hall of the Faculty of Medicine in the University of Paris.
Some say the cause of his blindness was that he used to eat too many broad beans baqilah. There is much more to be discussed about the contributions of this great Muslim scholar to philosophy, chemistry and medicine.