"János Balassa (1815–1868) was a surgeon, university professor, and one of the leading personalities of the Hungarian medical society at the time. He was also an internationally recognized authority within the field of plastic surgery. Professor of Surgery, (1843-) at the University of Pest, (Hungary).
János Balassa was a pioneer of cardiac resuscitation (CPR) and carried out the first reported case of external heart massage.
In the aftermath of the failed Hungarian Revolution of 1848 where Hungary sought independence from the Austrian Empire, he was temporarily removed from his professorship and imprisoned by the Habsburg authorities." - (en.wikipedia.org 20.03.2020)
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