Wú Rénjié 吳仁傑 (b. 1137 per the Kanripo catalog meta; death year unrecorded), zì Dòunán 斗南, of Kūnshān 崑山 in Sūzhōu (modern Kūnshān, Jiāngsū).
Career under Xiàozōng / Guāngzōng / Níngzōng of the Southern Sòng. Principal documentary references in Kūnshān xiànzhì 6.6b, 10.35a–35b; Sòng shīyí 29.5b–6a. CBDB id 35109. Birth year follows the catalog meta; CBDB does not record specific lifedates.
Principal scholarly orientation: gǔyì 古易 (ancient-Yì) textual reconstruction. The Sòngshǐ Yìwénzhì records three Yì-works in his name: Gǔ Zhōuyì 古周易 (12 juan), Yì tú shuō 易圖說 (3 juan), and Jí gǔ Yì 集古易 (1 juan).
Within the Kanripo corpus he is the author of KR1a0042 Yì tú shuō 易圖說 — the diagrammatic component of his gǔyì reconstruction triad. The companion Gǔ Zhōuyì in twelve juan was recovered by the Sìkù editors from Yǒnglè dàdiǎn citations; the Jí gǔ Yì did not survive.
His gǔyì program is the most aggressive of the Southern-Sòng Yì-textual-reconstructionists: he reorders the four-sage authorship scheme (assigning Xù guà to Fú Xī and Zá guà to King Wén, reversing the standard attributions to Confucius), and proposes a wholesale relabeling of the Xìcí / Shuō guà boundary on the strength of Shǐjì and Suízhì textual evidence.