Tiziano Vecelli
Title page of Andreas Vesalius' "On the fabric of the Human body" (1543)

https://www.nlm.nih.gov/exhibition/historicalanatomies/vesalius_home.html

https://wayback.archive-it.org/6321/20160901184031/http://vesalius.northwestern.edu/

https://en.wikipedia.org/wiki/Andreas_Vesalius