Carl Friedrich Gauss

abea abeh Alexander von Humboldt April Astr August became Beobachtungen Berlin Bessel Bolyai Bremen Brunswick calculation called Carl Friedrich Gauss Ceres comet Corresp daughter death December Disquisitiones Disquisitiones arithmeticae Duke Encke Eugene Euler Ewald father Gauss wrote Gaussian geodesy geodetic geometry Georg Gerling German Göt Göttingen Seven Hanover happy Heinrich heliometer heliotrope Humboldt instruments January Johann Joseph Gauss jubilee July June King later Leipzig letter to Schumacher lived Louis magnetic mathe mathematician mathematics memoir Mémoires de l'Académie meridian circle method Minna Monat Nachr never non-Euclidean geometry observations observatory October Olbers orbit parallel axiom planet Practical Astronomy privatissime professor proof published pupil Repsold Royal Society scientific September Summer surface survey thalers theorem Theoria motus theory of numbers Therese thought tingen tion Tobias Mayer triangle University of Göttingen Velpke visited Gauss Wagner Weber wife Wilhelm Winter Zach