Printing in East Asia originated from the Han dynasty (220 BCE – 206 CE) in China, evolving from ink rubbings made on paper or cloth from texts on stone tables used during the Han. Printing is considered one of the Four Great Inventions of China that spread throughout the world. A specific type of printing called mechanical woodblock printing on paper started in China during the Tang dynasty before the 8th century CE. The use of woodblock printing spread throughout Asia, and the idea of printing perhaps spread to Europe, where German publisher and inventor Johannes Gutenberg improved on the design with the introduction of the mechanical press in the mid-15th century. As recorded in 1088 by Shen Kuo in his Dream Pool Essays, the Chinese artisan Bi Sheng invented an early form of movable typ