碧玉妝成一樹高， — He Zhizhang

He Zhizhang, courtesy name Jizhen (季真), was a Chinese poet and politician born in Yongxing, Yue Prefecture during the Tang dynasty. He entered the civil service after achieving a jinshi degree in 695 during the reign of Empress Regnant Wu Zetian, and continued serving the court under three subsequent emperors Zhongzong, Ruizong, and Xuanzong, serving first in the Imperial Academy (guozijian), and