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In 1997 , after Harvard University president Neil Rudenstine rejected the Department of Government 's recommendation and denied his tenure , Berkowitz challenged the process by which Rudenstine reached his decision through Harvard 's internal grievance procedure .
 organization: Harvard University; person: Neil Rudenstine; person: Berkowitz; person: Rudenstine; organization: Harvard
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: Harvard University; person: Neil Rudenstine; person: Berkowitz; person: Rudenstine; organization: Harvard