Mathematician:Arnold Johannes Wilhelm Sommerfeld

German theoretical physicist who pioneered developments in atomic and quantum physics.

Nationality
German

History

 * Born: 5 December 1868 in Königsberg, Prussia (now Kaliningrad, Russia)
 * Died: 26 April 1951 in Munich, Germany

Theorems and Definitions

 * Bohr-Sommerfeld Quantization (with Niels Bohr)
 * Grimm-Sommerfeld Rule (with H.G. Grimm)
 * Orr-Sommerfeld Equation (with William McFadden Orr)
 * Sommerfeld Number
 * Sommerfeld-Watson Transform (with G.N. Watson)


 * Sommerfeld-Bohr Theory (with Niels Bohr)

Books and Papers

 * 1891: Die willkürlichen Functionen in der mathematischen Physik
 * March 1895: The mathematical theory of diffraction
 * 1921: Über reguläre und irreguläre Dublett (with Gregor Wentzel)