A Chinese Biographical Dictionary/Chang Yung
136 Chang Yung 張詠 (T. 復之). A.D. 946-1015. Graduated as chin shih in 980 , and became Magistrate of the District of 崇陽 Ch'ung-yang in Hupeh, where he beheaded an official servant whom he saw coming out of the treasury with a single cash sticking in his hair. He was highly recommended by K'ou Chun, and rose to be President of the Board of Works. The nickname 乖崖 was given to him by himself, and signified that he found it difficult to live in harmony with his surroundings. Canonised as 忠定.