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The foundations of electrical engineering in the 1800 s included the experiments of Alessandro Volta , Michael Faraday , Georg Ohm and others and the invention of the electric telegraph in 1816 and the electric motor in 1872 .
 Alessandro Volta, Michael Faraday, Georg Ohm
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Alessandro Volta, Michael Faraday, Georg Ohm