List of Dates.

  1. Johann Kepler, born 1571;
  2. school at Maulbronn, 1586;
  3. University of Tübingen, 1589;
  4. M.A. of Tübingen, 1591;
  5. Professor at Gratz, 1594;
  6. “Prodromus,” with “Mysterium Cosmographicum,” published 1596;
  7. first marriage, 1597;
  8. joins Tycho Brahe at Prague, 1600;
  9. death of Tycho, 1601;
  10. Kepler’s optics, 1603;
  11. Nova, 1604;
  12. on Comets, 1607;
  13. Commentary on Mars, including First and Second Laws, 1609;
  14. Professor at Linz, 1612;
  15. second marriage, 1613;
  16. Third Law discovered, 1618;
  17. Epitome of Copernican Astronomy, 1618-1621;
  18. Rudolphine Tables published, 1627;
  19. died, 1630.

[Appendix II.]