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He became first lecturer at the University of Halle-Wittenberg on 23 February 1944 .
 organization: University of Halle-Wittenberg
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 Halle-Wittenberg