蔡伦
Archaeological evidence of papermaking predates the traditional attribution given to Cai Lun, an imperial eunuch official of the Han dynasty (202 BCE – 220 CE), thus the exact date or inventor of paper can not be deduced. The earliest extant paper fragment was unearthed at Fangmatan in Gansu province, and was likely part of a map, dated to 179–141 BCE. Fragments of paper have also been found at Dunhuang dated to 65 BCE and at Yumen pass, dated to 8 BCE.