Téano (Crotona, VI B.C.) is the first woman mathematician in history. She was the wife of Pythagoras, wrote treatises on the theorem of the golden ratio and various treatises on physics and medicine. When her husband died, during the rebellion that took place in Crotona, the Pythagorean school was destroyed and its members killed or expelled from the city, she took charge of the diffusion of the knowledge of the institution in Greece and Egypt, with the collaboration of her daughters.