Answer:
he was a South African cardiac surgeon who performed the world's first highly-publicized heart transplant and the first one in which the patient regained consciousness.
Explanation:
Not too sure about this one, can't find much information on it.
It attracted brilliant scholars from around the world
The crusades introduced Europe to the works of Middle Eastern scholars, philosophers, and doctors. Richard the Lion-heart, King of England and one of the most famous Crusader Kings, had an Arab physician.<span />