Huáng Zhōng 黃衷 (1474–1553), zì Zǐhé 子和, biéhào Tiěqiáo bìngsǒu 鐵橋病叟 (“the Sick Old Man of Iron-Bridge”). Native of Nánhǎi 南海 in Guǎngzhōu (the Sìkù tíyào “Shànghǎi” is a transcription error). Mid-Míng official, Yìjīng scholar, and fēngtǔ author. Hóngzhì 9 jìnshì (1496); held office as Cíbù lángzhōng, Prefect of Sōngjiāng, Yǔnyǎ àncháshǐ, Vice-Censor (tàipúsì shàoqīng), and finally Bīngbù yòu shìláng. After retirement returned to his Guǎngzhōu Tiěqiáo residence and devoted himself to scholarship; from his Cantonese vantage interviewed returning sailors and ships’ captains, producing the Hǎi yǔ 海語 (KR2k0144) — the principal mid-Míng documentary monograph on the South China Sea, with notable supplementary information on the Portuguese destruction of the Malacca Sultanate (1511). Other works: Yángzhōu zhì (gazetteer); Hǎiyán jí (collected works). CBDB has multiple homonyms; no confident identification.