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Wei Boyang (traditional Chinese: 魏伯陽; simplified Chinese: 魏伯阳; pinyin: Wèi bóyáng) was a Chinese writer and Taoist alchemist of the Eastern Han dynasty. He is the author of The Kinship of the Three (also known as Cantong Qi), and is noted as the first person to have documented something like the chemical composition of gunpowder in 142 AD.[1][2] As someone or him, only mixed the chemical compound of Sulphur and Saltpetre.[3]
Wei Boyang is considered a semi-legendary figure who represented a "collective unity." His Cantong Qi was probably written in stages from the Han dynasty onward until it approached its current form, before 450 AD.[4]