The Chinese inventor Bi Sheng designed movable style of earthenware c. 1045, but there isn't any known surviving samples of his printing. All-around 1450, in what is commonly considered to be an independent creation, Johannes Gutenberg invented movable key in Europe, coupled with improvements in casting the sort based upon https://www.youtube.com/channel/UCP9Gw00CldPUmiu43y7fdWw