To most, I will be remembered as a early Greek philosopher in the Cyrenaic school of moral philosophy.
To myself, I was a Greek mathematician of the 5th century BC...even written about by my tutee, Plato.
My student Theaetetus claims I was the first to pose the theorem that the square roots of the nonsquare numbers up to 17 are irrational...though the world has lost my proof.
My eponymic Spiral starts with an isosceles right triangle with hypotenuse length equal to √2, which becomes the foundation for a sequence of contiguous right triangles with hypotenuse lengths equal √3, √4, …, √17...if you add more triangles, they begin to overlap.
Answer:
Theodorus of Cyrene (5th Century BC)
