Arnold Sommerfeld Scientist

Arnold Johannes Wilhelm Sommerfeld, ForMemRS (5 December 1868 – 26 April 1951) was a German theoretical physicist who pioneered developments in atomic and quantum physics, and also educated and mentored a large number of students for the new era of theoretical physics. His PhD students earned more Nobel prizes in physics than any other supervisor's, ever. He introduced the 2nd quantum number (azimuthal quantum number) and the 4th quantum number (spin quantum number). He also introduced the fine-structure constant and pioneered X-ray wave theory.

Personal facts

Birth date	December 05, 1868
Birth name	Arnold Johannes Wilhelm Sommerfeld
Birth place	East Prussia , Province of Prussia , Königsberg
Nationality	Germans
Date of death	April 26, 1951
Place of death	Munich , West Germany
Education	University of Königsberg
Known for	Bohr model Fine-structure constant Free electron model Old quantum theory Sommerfeld identity

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Scientist

awards	Oersted Medal Royal Society Max Planck Medal Matteucci Medal Lorentz Medal
doctoral advisor	Ferdinand von Lindemann
doctoral student	Paul Peter Ewald Alfred Landé Peter Debye Werner Heisenberg Wolfgang Pauli Otto Laporte Herbert Fröhlich Paul Sophus Epstein Wilhelm Lenz Hans Bethe Rudolf Peierls Gregor Wentzel Rudolf Seeliger Heinrich Welker Walther Kossel Adolf Kratzer Ernst Guillemin Erwin Fues Helmut Hönl Karl Bechert Ludwig Hopf Walter Rogowski
Field of study	Physics
influenced	Karl Herzfeld Léon Brillouin
notable student	Herbert Kroemer Linus Pauling Walter Heitler Walter Romberg