Tan Wuchen (佛陀跋陀罗), a monk from the Northern Liang (398-439 CE), was a prolific translator of Mahayana Buddhist sutras, most notably the *Dasha Puti Jing* (大般涅槃經, Mahaparinirvana Sutra). His translations played a crucial role in introducing and disseminating important Mahayana doctrines in China.