Trust me, he did all the 'heavy lifting' ! (15 months of personal post-amputation experience is my guide) BUT do not discount the great medical professionals who did their "parts" in this great miracle of modern medicine.
https://www.washingtonpost.com/spor...?utm_term=.278a07a43f96&wpisrc=nl_most&wpmm=1
https://www.washingtonpost.com/spor...?utm_term=.278a07a43f96&wpisrc=nl_most&wpmm=1