Rén Huán 任環 (1519–1558), zì Yìngqián 應乾, hào Fù’ān 復菴, of Chángzhì 長治 (Shānxī). Took the jìnshì in Jiājìng 23 (1544); served as zhīxiàn of Guǎngpíng, Shāhé, and Huáxiàn; transferred to Sūzhōu tóngzhī. By his yùwō (Japanese-pirate-repelling) merit was elevated to Àncháshǐ qiānshì; commanded the SūSōng bīngbèidào (Sūzhōu/Sōngjiāng military preparedness circuit) during the height of the Jiājìng wōkòu crisis; later Shāndōng yòu cānzhèng. He died on duty in Shāndōng in 1558. His Shānhǎi màntán KR4e0199 is a small remnant — less than a tenth of his original output — reconstructed by his descendants. CBDB 34715.