Ouyang Xiu, courtesy name Yongshu, also known by his art names Zuiweng (醉翁) and Liu Yi Jushi (六一居士), was a Chinese historian, calligrapher, epigrapher, essayist, poet, and politician of the Song dynasty. He was a renowned writer among his contemporaries and is considered the central figure of the Eight Masters of the Tang and Song. He revived the Classical Prose Movement and promoted it in imperial examinations, paving the way for future masters like Su Shi and Su Zhe.