jun 21, 1245 - Ibn al-Nafis
Description:
*in the thirteenth century, he concluded that Galen was wrong about how the heart worked, claiming that blood circulated via lungs.*But islam did not allow human dissection and his books were not read in the west.
*Europeans continued to accept Galens mistake until the seventeenth Century
Added to timeline:
Date:
jun 21, 1245
Now
~ 780 years ago