by Dionysius. Demetrius, in his treatise on people of the same name, says that he was the first of the Pythagoreans who wrote a treatise on Natural Philosophy; and it begins thus:—
“But nature in the world has been composed of bodies infinite and finite, and so is the whole world and all that is in it.”
LIFE OF EUDOXUS.
I. Eudoxus was the son of Æschines, and a native of Cnidus. He was an astronomer, a geometrician, a physician, and a lawgiver. In geometry he was a pupil of Archytas, and in medicine of Philistion, the Sicilian, as Callimachus relates in his Tablets; and Sotion, in his Successions, asserts that he was likewise a pupil of Plato; for that, when he was twenty-three years of age, and in very narrow circumstances, he came to Athens with Theomedon the physician, by whom he was chiefly supported, being attracted by the reputation of the Socratic school. Some say that his attachment to Theomedon was cemented