Verified Answer :

Hagrid

During the Tang Dynasty block printing was highly developed
by the Chinese people. This type of printing paved the way for records to be
immortalized on paper and it made books to be available for the use of the masses. The use of blocks which contain words or specific
symbols benefitted the Chinese dynasty in sending messages to different parts
of the country. 

Block printing was invented by the Tang Chinese that made it possible for books to be made available to the masses.

The Tang dynasty (June 18, 618 - June 4, 907) was founded by the Li family, who seized power during the decline and collapse of the Sui Empire. They invented block printing, which is a technique for printing text, images or patterns on textiles and later paper.