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In 1853 his family emigrated to Williamsport , Pennsylvania , where Weyl worked in watch and clock repair , a trade he had learned through an early apprenticeship .
 Williamsport , Pennsylvania, Weyl
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Williamsport , Pennsylvania, Weyl