Xiè Guān 謝觀 (zì Lìhéng 利恆, late-life hào Chéngzhāilǎorén 澄齋老人, 1880–1950), Republican-era physician, medical historian, and lexicographer of the Mènghé school 孟河派 from Luóshùwān 羅墅灣, Wǔjìn 武進 (Jiāngsū). Grandson of the Mènghé physician Xiè Bǎochū 謝葆初 and son of the geographer-classicist Xiè Zhōngyīng 謝鍾英; trained from childhood in the Nèijīng, Nànjīng, Shānghán, jīngfāng, and běncǎo corpora. Graduate of Soochow University 東吳大學 (1901); briefly taught geography in Guǎngzhōu (from 1905) and edited geography and medical books at the Shanghai Commercial Press (商務印書館) from 1911. Founding principal of the Shanghai College of Traditional Chinese Medicine 上海中醫專門學校 (1917, invited by Dīng Gānrén 丁甘仁), and the principal Mènghé-school architect of Republican TCM institutional modernisation. In 1929, when the GMD government’s Central Health Committee 中央衛生委員會 passed the resolution to abolish Chinese medicine (the Fèizhǐ jiùyī àn 廢止舊醫案), Xiè was elected chief representative of the Chinese medical profession to Nanjing and led the months-long campaign that forced the regime to rescind the ban. Editor of the Zhōngguó yīxué dà cídiǎn 中國醫學大辭典 (Commercial Press, 1921 — 37,000+ entries, 3.5 million characters, eight years’ labour); author of the Zhōngguó yīxué yuánliú lùn 中國醫學源流論 (KR3es005, c. 1924–1925; printed 1935), Chéngzhāi yī’àn 澄齋醫案, Chéngzhāi zázhù 澄齋雜著, Zhōngguó yīxuéhuà 中國醫學話, and Zhōngguó yàoxuéhuà 中國藥學話. His leading disciples were 秦伯未 Qín Bówèi (1901–1970) and 張贊臣 Zhāng Zànchén (1904–1993). Not to be confused with the late-Míng lay-Buddhist commentator 謝觀光 Xiè Guāngguāng.