17975
Designed by architect I. M. Pei , construction for the building broke ground on June 12 , 1977 , and was completed and dedicated in October 1979 .
 I. M. Pei
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 I. M. Pei