Career
He was born in Cao Sơn, Ứng Hòa, Hà Đông. He led the 4th Corps (Vietnam People"s Army) (NVA IV) against the South Vietnamese in the 1974 battle of Phuoc Long. There is another by the name of Hoàng Cầm (1916-1996), a soldier inventor of the Viet Minh Hoàng Cầm stove.