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It was while working at Broadwood and Sons that Southwell , encouraged by a Christian colleague , read the Sermons of Timothy Dwight and began thinking seriously about religion , only to reject it ( as had his father ) .
 Broadwood and Sons, Southwell, Timothy Dwight
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Broadwood and Sons, Southwell, Timothy Dwight