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" Nathan Freudenthal Leopold Jr. " ( November 19 , 1904 – August 29 , 1971 ) and " Richard Albert Loeb " ( ; June 11 , 1905 – January 28 , 1936 ) , usually referred to collectively as " Leopold and Loeb " , were two wealthy students at the University of Chicago who in May 1924 kidnapped and murdered 14-year - old Bobby Franks in Chicago , Illinois , United States .
 person: Nathan Freudenthal Leopold Jr.; person: Richard Albert Loeb; person: Leopold; person: Loeb; organization: University of Chicago; person: Bobby Franks; location: Chicago; location: Illinois; location: United States
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:
 person: Nathan Freudenthal Leopold Jr.; person: Richard Albert Loeb; person: Leopold; person: Loeb; organization: University of Chicago; person: Bobby Franks; location: Chicago; location: Illinois; location: United States