"The man who invited Qi-Gong" - by John Voigt:
https://www.qigonginstitute.org/docs/The%20Man%20Who%20Invented%20Qigong-1.pdf
"The man who invited Qi-Gong" - by John Voigt:
https://www.qigonginstitute.org/docs/The%20Man%20Who%20Invented%20Qigong-1.pdf