Answered by Oliver
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Apr. 15, 2015 03:04
Bob, gunpowder was occasionally made by the alchemists of the Tang Dynasty. There is no detailed historical material that records who invented gunpowder.
Cai Lun was regarded as the one who invented Chinese paper. But some historical evidence shows that Cai Lun just improved the way of making paper. It meant that someone else invented paper before Cai Lun.