Yǐn Tūn 尹焞 (1071–1142), zì Yànmíng 彥明, hào Héjìng chǔshì 和靖處士 (Imperially-conferred hào, Jìngkāng 1 / 1126), native of Hénán (Luòyáng region). The leading direct disciple of Chéng Yí 程頤 (the Yīchuān master) of his generation. Sòng shǐ j. 428 Dàoxué zhuàn.
Famous for his Jìngkāng (1126) examination response: at age 12 he had taken the jìnshì exam under the policy-question concerning the punishment of the Yuányòu dǎngjí (the Yuányòu faction blacklist). Yǐn Tūn refused to answer (“bù duì ér chū” — left without answering) — the only candidate to do so. The act of integrity at age 12 became foundational to his later reputation.
Recommended in Shàoxīng by Fàn Chōng 范沖 and Zhāng Jùn 張浚 — entered the jīngyán (classics-mat) lectures, joined the shìcóng (attendant officials). Soon resigned (qǐ zhìshì).
Late achieved Huīyóugé dàizhì 徽猷閣待制. Posthumous canonisation Wénjìng 文靖.
Catalog-vs-external check: the catalog meta gives 1061–1132. CBDB id 4125 and the Sòng shǐ both give 1071–1142. The CBDB / Sòng shǐ figure 1071–1142 is followed here. The discrepancy is a 10-year shift — apparently the catalog meta has cycled the jiǎzǐ (sexagenary cycle) the wrong way: 辛亥 1071 (Yǐn’s birth) and 辛亥 1131 differ by one cycle but both appear in retrospective transcription. The catalog should be corrected.
Yǐn’s Héjìng jí 和靖集 KR4d0184 in 8 juǎn preserves: 2 juǎn of memorials; 1 juǎn of poetry, miscellaneous prose, and letters; 1 juǎn of bìtiē 壁帖 (wall-pasted aphorisms); 3 juǎn of Shīshuō (master-sayings recorded by his pupil Wáng Shímǐn 王時敏); 1 juǎn of niánpǔ. Zhū Xī’s Yǔlù notes that Yǐn’s wénzì (writings) — particularly those concerning court matters — were often ménrén dàizuò (composed by pupils on his behalf) — but Zhū observes that the zhǐshòu diǎndìng (instruction and supervision) was Yǐn’s own.