Mathematician:Johann Georg von Soldner

German mathematician, physicist and astronomer.

Calculated the Euler-Mascheroni constant to 24 places.

The first one to predict (100 years before Einstein) that light rays would be bent by the gravitational fields of stars.

Nationality
German

History

 * Born: 16 July 1776, Feuchtwangen, Ansbach, Bavaria (now Germany)
 * Died: 13 May 1833, Bogenhausen, Munich, Bavaria (now Germany)

Definitions

 * Ramanujan-Soldner constant (with )
 * Soldner coordinate system

Books and Papers

 * 1801: Über die Ablenkung eines Lichtstrahls von seiner geradlinigen Bewegung durch die Attraktion eines Weltkörpers, an welchem er nahe vorbeigeht
 * 1809: Théorie et tables d'une nouvelle fonction transcendante