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Zhang Binglin (January 12, 1869 – June 14, 1936), also known by his art name Zhang Taiyan, was a Chinese philologist, textual critic, philosopher, and revolutionary. His philological works include Wen Shi (文始 "The Origin of Writing"), the first systematic work of Chinese etymology. He also made contributions to historical Chinese phonology, proposing that "the niang (娘) and ri (日) initials [in Middle Chinese] come from the ni (泥) initial [in Old Chinese]" (known as niang ri gui ni 娘日歸泥). Wikipedia