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Louis Duffus said Barlow " did more than anyone else to break down the timid defensive tactics which for so many years kept South Africa a second-rate cricket country " .
 Louis Duffus, Barlow
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Louis Duffus, Barlow