Answer
The courtesy name Cunzhong belonged to Shen Kuo, a Chinese polymath, scientist and statesman during the Song dynasty. This name, often used as a formal address or title of respect, served to distinguish him from individuals who shared the same surname. Cunzhong was bestowed upon Shen Kuo as a mark of recognition and honor, reflecting his accomplishments, contributions, and esteemed status within his social and intellectual circles.