Biographical Encyclopedia of Astronomers

2014 Edition
| Editors: Thomas Hockey, Virginia Trimble, Thomas R. Williams, Katherine Bracher, Richard A. Jarrell, Jordan D. MarchéII, JoAnn Palmeri, Daniel W. E. Green


  • Thomas Hockey
Reference work entry

Flourishedfourth century

Chalcidius’s popular commentary on  Plato’s Timaeus included some epicycle theory. It was an important vehicle for the transmission of Platonic cosmology to the Middle Ages.

Selected Reference

  1. Evans, James (1998). The History and Practice of Ancient Astronomy. New York: Oxford University Press.Google Scholar

Copyright information

© Springer Science+Business Media New York 2014

Authors and Affiliations

  1. 1.Department of Earth ScienceUniversity of Northern IowaCedar FallsUSA