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Grace served as curator of the division of textiles from 1948 to 1976 , and was responsible for many exhibitions on textile history , including the 1964 opening show at the Smithsonian ’s new Museum of History and Technology ( now known as the National Museum of American History ) .
 Smithsonian
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Smithsonian