books.google.it - Archytas of Tarentum was a central figure in fourth-century Greek life and thought and the last great philosopher in the early Pythagorean tradition. He solved a famous mathematical puzzle, saved Plato from the tyrant of Syracuse, led a powerful Greek city state, and was the subject of three books by...http://books.google.it/books/about/Archytas_of_Tarentum.html?hl=it&id=2ietQ7tX8TEC&utm_source=gb-gplus-shareArchytas of Tarentum
