Name 3 famous chinese immigrants during the 1800s?

Three notable Chinese immigrants from the 1800s include Chang Apana, a prominent figure in the Hawaiian police force known for his role in crime prevention, and Wong Kim Ark, who became famous for his legal battle that affirmed birthright citizenship in the U.S. Additionally, Yung Wing, the first Chinese student to graduate from an American university, played a significant role in promoting education and cultural exchange between China and the United States.