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The book brought modernism to Danish photography and earned Helmer-Petersen a grant for a year 's study at the Art Institute of Chicago in 1950 .
 location: Danish; person: Helmer-Petersen; organization: Art Institute of Chicago
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:
 location: Danish; person: Helmer-Petersen; organization: Art Institute of Chicago