Ancient greek mathematician and astronomer

          Famous greek mathematician

        1. Famous greek mathematician
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          Quick Info

          Born
          about 390 BC
          Greece
          Died
          about 320 BC
          Summary
          Dinostratus was a Greek mathematician who may have used the quadratrix of Hippias to solve the problem of squaring the circle.

          Biography

          Dinostratus is mentioned by Proclus who says (see for example [1] or [3]):-
          Amyclas of Heraclea, one of the associates of Plato, and Menaechmus, a pupil of Eudoxus who had studied with Plato, and his brother Dinostratus made the whole of geometry still more perfect.
          It is usually claimed that Dinostratus used the quadratrix, discovered by Hippias, to solve the problem of squaring the circle.

          Pappus tells us (see for example [1] or [3]):-

          For the squaring of the circle there was used by Dinostratus, Nicomedes and certain other later persons a certain curve which took its name from this property, for it is called by them square-forming [in other words the quadratrix].
          It appears from this quote that Hippias discovered the curve but that it was Dinostratus who w