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The Whaley Children 's Center was built in 1926 , with the leadership of Charles Stewart Mott , who was the first president of the Whaley Foundation .
 Charles Stewart Mott
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Charles Stewart Mott