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Lloyd Espenschied ( 27 April 1889 – June 1 , 1986 ) was an American electrical engineer who invented the modern coaxial cable with Herman Andrew Affel .
 Lloyd Espenschied, American, Herman Andrew Affel
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lloyd Espenschied, American, Herman Andrew Affel