One of the most learned men of his day and called the philosopher by contemporaries, George Amiroutzes (c. 1400-c. 1469) attended the Council of Florence (1438-39) as a lay scholar in the Greek delegation. As a high government official in his native Trebizond, he helped to negotiate the surrender of this last independent Greek state to Mehmed the Conqueror in 1461. He eventually entered the Sultan's household as someone with whom Mehmed enjoyed...