Cheng Dan'an
[6] The same year, he was appointed as director of a Nanjing-based school that would eventually be named the Jiangsu College of Chinese Medicine.[6][8] Cheng suffered from ill health in his final years; he died of a heart attack on 10 July 1957 in Suzhou, at the reported age of 59.[11] The book, which was partly inspired by Song dynasty writings on acupuncture,[12] was positively received upon its release and went into its eighth edition by May 1937.He refrained from thinking of time in terms of yin and yang, and considered the tradition of treating men and women on their left and right sides respectively to be mere superstition.[7] Crucially, Cheng dispensed with bodkins and scalpels, instead preferring to perform acupuncture with the now-ubiquitous filiform metal needles.