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He was most recently deputy director of the National Institutes of Health , and officially became the 13th president of Grinnell College on August 1 , 2010 .
 organization: National Institutes of Health; organization: Grinnell
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: National Institutes of Health; organization: Grinnell