Mathematician:Eudoxus of Cnidus

Greek astronomer and mathematician who, among other things:
 * Pioneered work on proportion;
 * Introduced the astronomical globe;
 * Developed the method of exhaustion, this being an early precursor to integral calculus. This was later exploited by Archimedes.

Student of Plato.

Nationality
Greek

History

 * Born: 410 or 408 BCE, Cnidus (on Resadiye peninsula), Asia Minor (now Knidos, Turkey)
 * Died: 355 or 347 BCE, Cnidus, Asia Minor (now Turkey)

Theorems and Definitions

 * Kampyle of Eudoxus

Works
No written works of his survive, although there are plenty of secondary sources.

These are the names of some of the books he wrote:
 * Disappearances of the Sun, possibly on eclipses
 * Oktaeteris (Ὀκταετηρίς), on an eight-year lunisolar cycle of the calendar
 * Phaenomena (Φαινόμενα) and Entropon (Ἔντροπον), on spherical astronomy, probably based on observations made by Eudoxus in Egypt and Cnidus
 * On Speeds, on planetary motions

Also see

 * : Chapter $\text{II}$