胡朝
He is considered to be an innovator of firearms. One of his famous inventions was an early version of the "Eruptor" cannon, which was later adopted by the Ming dynasty to be used in many decked war vessels. After the fall of Hồ dynasty, Hồ was captured and the Ming emperor forced him to teach the Chinese how to cast cannons. He would spend the rest of his life in exile in China.