Tsien Tsuen-hsuin [SEP] date of death
Tsien Tsuen-hsuin
Tsien Tsuen-hsuin (; 11 January 19109 April 2015), also known as T.H. Tsien, was a Chinese sinologist and librarian who served as a professor of Chinese literature and library science at the University of Chicago, and was also curator of its East Asian Library from 1949 to 1978. He is known for studies of the history of the Chinese book, Chinese bibliography, paleography, and science and technology, especially the history of paper and printing in China, notably "Paper and Printing",
, is dated no earlier than 704 and preserved in a Silla Korean temple stupa built in 751. The first printed periodical, the Kaiyuan Za Bao was made available in AD 713. However, the earliest known book printed at regular size is the "Diamond Sutra" made during the Tang Dynasty (618–907), a 5.18 m (17 ft) long scroll which bears the date 868 AD. Joseph Needham and Tsien Tsuen-hsuin write that the cutting and printing techniques used for the delicate calligraphy of the "