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Donald Knuth ( PhD 1963 ) , the " father " of the analysis of algorithms , wrote " The Art of Computer Programming " and created the TeX computer typesetting system , which is commonly used in the scientific community .
 Donald Knuth
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Donald Knuth