158) Ruan An
One of the lead architects of the Forbidden City
Born: 1381, Present Day Vietnam
Original Name: Nguyễn An
He was a Ming Dynasty Eunuch, Architect, and Hydraulics Specialist whose true ethnic identity was hidden by Chinese Historians for centuries.
He was a Vietnamese Man captured by the Chinese and brought back to work for the Empire.
That's about the extant of what we know about this man, but his existence in history is of astronomical importance for the Vietnamese People.