Matteo Ricci
It was a small group of Jesuits, led by Matteo Ricci who, being able both to travel throughout China and to read, learned about the country from Chinese books and from conversation with people of all walks of life. During his first 15 years in China (1583–1598) Matteo Ricci formed a strong suspicion that Marco Polo's "Cathay" is simply the "Tatar" (i.e., Mongol) name for the