Papers Kepler, Johannes (Discovery.com) Provides a picture and a short biography of the astronomer. 3-02 Kepler, Johannes (Fowler) Provides a history of Kepler's work. Carl Sagan listed Kepler as one of the five greatest contributors to science. 7-00 Kepler, Johannes (University of St. Andrews, Scotland) Provides a history of Kepler's work. "Johannes Kepler is now chiefly remembered for discovering the three laws of planetary motion." Includes a picture of Kepler. 7-00 Kepler, Johannes (Van Helden) Provides a history of Kepler's work. Carl Sagan listed Kepler as one of the five greatest contributors to science. Includes a picture of Kepler. 7-00