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In 1930 he received his degree in Turin under G. Wataghin with a thesis on the electronic theory of metals , and then went to Göttingen and Leipzig to study physics .
 Turin, Göttingen, Leipzig
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Turin, Göttingen, Leipzig