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University of Michigan In the fall of 1928 , Tompkins enrolled at the University of Michigan where he was a star athlete as a pitcher in baseball and a goaltender in ice hockey .
 Michigan, Tompkins, University of Michigan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Michigan, Tompkins, University of Michigan