Hé Tuǒ 何妥
Zì Qīfèng 棲鳳. Sui-period 隋 classicist of Western Hú 胡 origin, native of Pídù 郫都 in Sìchuān; held high posts as Guózǐ jìjiǔ 國子祭酒 (“Director of the Imperial Academy”). Active under emperors Wén 文帝 and Yáng 煬帝. Author of Zhōuyì jiǎngshū 周易講疏 in thirteen juàn; the work is lost but is extensively cited in 李鼎祚 Lǐ Dǐngzuò’s Zhōuyì jíjiě (KR1a0008). Suíshū (juan 75) gives his biography.