Astronomy History - Johannes Kepler - Brief biography highlighting his status as a defender of Copernicus and a formulator of planetary-motion laws. space.about.com/library/weekly/aa090702a.htm
Johannes Kepler - A short biography. galileoandeinstein.physics.virginia.edu/1995/lectures/kepler.html
Kepler, Johannes (1571-1630) - Encyclopedia entry provides a brief biography of this German astronomer and mathematician. www.encyclopedia.com/articles/06915.html
More Kepler, by Michael Fowler - Part two of a biography, discussing Kepler's investigations of planetary motion and gravity. galileoandeinstein.physics.virginia.edu/1995/lectures/morekepl.html
