Zhang Wenguan

Zhang Wenguan (張文瓘) (606 – September 30, 678), courtesy name Zhigui (稚圭), was an official of the Chinese dynasty Tang Dynasty, serving as a chancellor during the reign of Emperor Gaozong. He was acclaimed for his fairness while serving as the chief judge of the supreme court.

Read more about Zhang Wenguan:  Background, During Emperor Gaozong's Reign