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In 1961 , Shu founded the Department of Mathematics at the National Tsing Hua University ( NTHU ) , and held summer mathematical seminar annually .
 Shu, Tsing Hua
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Shu, Tsing Hua