Nguyễn Hoàng Hải, pen name Nguyễn Tất Nhiên (30 May 1952 in Biên Hòa – 3 August 1992 in California), was a Vietnamese poet. In 1980, he emigrated first to France, and then to Orange County.Võ Phiến Literature in South Vietnam, 1954-1975 0949292125 1992 Page 228 "Nguyễn Tất Nhiên - Real name: Nguyễn Hoang Hai. Born May 30, 1952 at Biên Hòa, Southern Vietnam. A refugee to the US."

Published works Nàng thơ trong mắt 1966 Dấu mưa qua đất 1968 Thiên Tai 1970

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