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In the 1930 s , pioneers in the field of population genetics , such as Ronald Fisher , Sewall Wright and J. B. S. Haldane set the foundations of evolution onto a robust statistical philosophy .
 Ronald Fisher, Sewall Wright, J. B. S. Haldane
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Ronald Fisher, Sewall Wright, J. B. S. Haldane