Wang Zhen (simplified Chinese: 王祯; traditional Chinese: 王禎; pinyin: Wáng Zhēn; Wade–Giles: Wang Chen, fl. 1290–1333) was a Chinese agronomist, inventor
The 13th-century Chinese agricultural manual Wang Zhen's Book on Farming (王禎農書) described floating wooden rafts which were piled with mud and dirt and which
unevenness of the wooden type after being soaked in ink. In 1298, Wang Zhen (王禎), a Yuan dynasty governmental official of Jingde County, Anhui Province, China