Pythagoras of Samos
REFERENCES
https://plato.stanford.edu/entries/pythagoras/https://plato.stanford.edu/entries/pythagoras/
https://www.britannica.com/biography/Pythagoras
https://www.mathopenref.com/pythagoras.html
https://link.springer.com/article/10.1057/jt.2009.16
https://www.notablebiographies.com/Pu-Ro/Pythagoras.html
https://www.bbc.co.uk/history/historic_figures/pythagoras.shtml