Argentinian surgeon René Favaloro pioneered heart bypass surgery in the 1960s, extending the lives of millions who suffer from coronary artery blockages
Source:
https://www.newscientist.com/article/2209766-rene-favaloro-heart-surgery-pioneer-celebrated-in-google-doodle/?utm_campaign=RSS%7CNSNS&utm_source=NSNS&utm_medium=RSS&utm_content=home