Nguyễn Văn Kim (31 December 1923–1982), better known as his pen name Tử Phác, was a Vietnamese writer, poet, musician, and the author of the famous song "Song of Spinning" (Tiếng hát quay tơ), which was released in 1949.
[2] On December 31, 1923, Nguyễn Văn Kim was born in Hàng Giấy, Đồng Xuân Market, Hanoi.
His father, after studying in the West, returned to Hanoi to work as a road management bureaucrat.
In the years 1947 and 1948, he was Secretary of the Thủ Đô newspaper in War Zone III, under the pen name Nguyễn Anh Chấn.
In 1949, he was appointed to the Executive Committee of the 3rd Inter-regional Arts Association and was assigned to Viet Bac as Secretary of the Sự Thật newspaper under another pen name Trương Công Kích.