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Soon after earning his 1886 bachelors degree from University of Michigan , he took a position as chief of Plant Pathology in Bureau of Plant Industry He earned his doctorate from Michigan in 1889 .
 organization: University of Michigan; organization: Michigan
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 organization: University of Michigan; organization: Michigan