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Hannelore " Loki " Schmidt , née Glaser ( 3 March 1919 – 21 October 2010 ) was a German environmentalist .
 Loki, Schmidt
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Loki, Schmidt