Han Yu (768-824), Tang dynasty essayist and poet, advocate of the classical writing 古文運動|古文运动[gu3 wen2 yun4 dong4] and neoclassical 復古|复古[fu4 gu3] movements
Examples (Wiktionary)
Mandarin
韩愈
韓愈
hán yù
Han Yu (Tang dynasty writer and government official)