Muhammad ibn Zakariya al-Razi was a Persian physician and chemist who, in the 9th century, was the first to document the distinction between the diseases of measles and smallpox.
Credit: Gerard of Cremona (c. 1250–60)
Muhammad ibn Zakariya al-Razi was a Persian physician and chemist who, in the 9th century, was the first to document the distinction between the diseases of measles and smallpox.
Credit: Gerard of Cremona (c. 1250–60)