Zhōu Xíngjǐ 周行己 (c. 1067–c. 1125), zì Gōngshū 恭叔, hào Fúzhǐ xiānshēng 浮沚先生, of Yǒngjiā 永嘉 (Wēnzhōu, Zhèjiāng). Jìnshì of Yuányòu 6 / 1091. Held office as Tàixué bóshì (instructor of the National University); for his elderly parents returned home to teach at jiāoshòu (prefectural-instructor); re-summoned as guǎnzhí (library-position); subsequently Zhī Lèqīngxiàn. The Wēnzhōu people called him Zhōu bóshì (Doctor Zhōu) after this initial post. One of the foundational figures of the Yǒngjiā school of Sòngrú learning — Chén Zhènsūn’s grandmother was Zhōu’s third daughter; Chén in Shūlù jiětí gives the most-reliable record of Zhōu’s life. Studied with Chéng Yí 程頤 程頤. Author of Fúzhǐ jí 浮沚集 KR4d0125 originally in 16 juǎn + hòují 3 juǎn (per Shūlù jiětí); Sìkù reconstruction is 8 juǎn. Catalog gives jìnshì date 1091; lifedates not securely fixed but conventionally 1067–1125.