Jean-Baptiste Chaigneau

Jean-Baptiste Chaigneau (6 August 1769 – 31 January 1832) was a French sailor and adventurer who played an important role in Vietnam in the 19th century. He served the Nguyễn dynasty from 1794 to 1819, and 1821 to 1826, and took the Vietnamese name of Nguyễn Văn Thắng (阮文勝).

Read more about this composer on Wikipedia.