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With the fortune of his wife , whom he married in 1832 , Churchill started in business on his own account , purchasing the old-established retail connection of Callow & Wilson , 16 Princes Street , Leicester Square .
 Churchill, Wilson
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Churchill, Wilson