Who wrote a medical encyclopedia that was translated into Latin and widely used thought out Europe?

The medical encyclopedia you are referring to is the "Kitab al-Mansuri" written by the Persian physician Al-Razi (Rhazes). His work was translated into Latin in the 12th century and became a significant reference for medical knowledge in Europe during the Middle Ages. Al-Razi's comprehensive approach to medicine and his contributions to various fields, including pediatrics and ophthalmology, had a lasting impact on European medical practices.