177553
His students at the MIT were Francis Hildebrand ( 1940 ) , Carl Nordling ( 1941 ) , Frank Bothwell ( 1946 ) , Norman Painter ( 1947 ) , Merle Andrew ( 1948 ) , Frederick Holt ( 1950 ) , and Carl Steeg , Jr. ( 1952 ) .
 person: Francis Hildebrand
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Francis Hildebrand 
Answer:
 person: Francis Hildebrand