Eudoxus

• Eudoxus of Cnidus (c.390-337 BCE) was a Greek Astronomer and Mathematician and a Student of Plato.
• His Works are all lost, although we know their names from other authors.

Lost Works

• Disappearances of the Sun
  • possibly explaining eclipses.
• Oktaeteris
  • explaining the 8 year lunisolar cycle.
• Phaenomenon and Entropon
  • a repeat of Eudoxus’ theories on Spherical astronomy.
• On Speeds
  • about the motions of the planets.