Mathematician:Johannes Kepler

Mathematician
German mathematician and astronomer best known nowadays for Kepler's Laws of Planetary Motion.

Inherited the papers of and spent many years analysing his observations, looking for patterns.

His most significant contribution to scientific thought was his deduction that the orbits of the planets are elliptical.

Nationality
German

History

 * Born: 27 Dec 1571, Weil der Stadt, Württemberg, Holy Roman Empire (now Germany)
 * 1589: Studied mathematics at the University of Tübingen under
 * 1596: Wrote to and became his assistant. Spent years analysing the orbit of Mars.
 * 1611: Kepler's son and wife died. Political changes exiled him from Prague.
 * 1613: Remarried
 * Died: 15 Nov 1630, Regensburg (now in Germany)

Theorems

 * Kepler's Laws of Planetary Motion
 * Kepler's Explanation for Spacing of Planets

Books and Papers

 * 1596: Mysterium Cosmographicum (The Sacred Mystery of the Cosmos)
 * 1601: De Fundamentis Astrologiae Certioribus (Concerning the More Certain Fundamentals of Astrology)
 * 1604: Astronomiae Pars Optica (The Optical Part of Astronomy)
 * 1604: De Stella Nova in Pede Serpentarii (On the New Star in Ophiuchus's Foot)
 * 1609: Astronomia Nova Aitilogetos (New Astronomy Based on Causes)
 * 1610: Tertius Interveniens (Third-party Interventions)
 * 1610: Dissertatio cum Nuncio Sidereo (Conversation with the Starry Messenger)
 * 1611: Dioptrice
 * 1611: De Nive Sexangula (On the Six-Cornered Snowflake)
 * 1613: De Vero Anno, quo Aeternus Dei Filius Humanam Naturam in Utero Benedictae Virginis Mariae Assumpsit
 * 1615: Eclogae Chronicae (published with Dissertatio cum Nuncio Sidereo)
 * 1615: Nova Stereometria Doliorum Vinariorum (New Stereometry of Wine Barrels)
 * 1618-1621: Epitome Astronomiae Copernicanae (Epitome of Copernican Astronomy) (three parts)
 * 1619: Harmonices Mundi (Harmonies of the Worlds)
 * 1621: Mysterium Cosmographicum (The Sacred Mystery of the Cosmos) (2nd Edition)
 * 1627: Tabulae Rudolphinae (Rudolphine Tables)
 * 1634: Somnium (The Dream)