Theodorus of Cyrene was born in Cyrene and spent most of his life in Athens, Greece. He was a Greek mathematician of the 5th century BC who was admired by Plato (who mentions him in several of his works). Little is known about him; however, Plato attributes to him the first proof of the irrationality of the square roots of 3, 5, 6, 7, 8, 10, 11, 12, 13, 14, 15 and 17. The method he used is not stated, but since he stopped at 17, it seems possible that he used the traditional Pythagorean method of odds and evens, since 17 is the first number for which this method breaks down.
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a guy named Theodorus
He was most remembered for the mathematical shape, the Spiral of Theodorus.
He was most remembered for the mathematical shape he gave us: the Spiral of Theodorus.
raquan holmesWhile Theodorus had many influences and teachers, Aristotle simply stood above all. Like Socrates and Plato, Aristotle influenced the lives of Theodorus and many others that aspired to be like them.
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