Johannes Kepler

Johannes Kepler (December 27, 1571 – November 15, 1630), a key figure in the scientific revolution, was a brilliant German mathematician, astronomer and astrologer. He is best known for his laws of planetary motion, expounded in the two books Astronomia nova and Harmonices Mundi.

External links

• Annotation: Posner Family Collection in Electronic Format Harmonices mvndi The Harmony of the Worlds in fulltext facsimile in Latin
• Full text of Kepler by Walter W. Bryant, from Project Gutenberg
• Kepler and the "Music of the Spheres"
• Johannes Kepler Directory
• {{MacTutor Biography|id=Kepler}}