![Arnold Sommerfeld Image source: Wolfram Research Arnold Sommerfeld Image source: Wolfram Research](http://www.timeone.ca/wp-content/uploads/2012/06/Arnold-Sommerfeld.jpg)
Image source:
Wolfram Research
Arnold Sommerfeld was a German physicist and teacher who in the 1940s wrote Lectures on Theoretical Physics.
Image source:
Wolfram Research
Arnold Sommerfeld was a German physicist and teacher who in the 1940s wrote Lectures on Theoretical Physics.