Tsien Tsuen-hsuin, Chinese-American academic (born 1909)

Tsien Tsuen-hsuin, also known as T.H. Tsien, was a Chinese-American bibliographer, librarian, and sinologist who served as a professor of Chinese literature and library science at the University of Chicago Graduate Library School 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, Volume 5 Pt 1 of British biochemist and sinologist Joseph Needham's Science and Civilisation in China. He is also known for risking his life to smuggle tens of thousands of rare books outside of Japanese-occupied China during World War II.