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In 1947 , Maurice Wertheim donated the 2,000 acres ( 8.1 km2 ) on eastern Long Island to the United States government and subsequently became the Wertheim National Wildlife Refuge .
 Maurice Wertheim, Wertheim
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Maurice Wertheim, Wertheim