3533
He visited the University of Chicago as a lecturer , 1966–1968 , and also did a residency at the University of Iowa .
 organization: University of Chicago; organization: University of Iowa
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 Chicago; organization: University of Iowa