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Jan Pieter " Jan P. " Strijbos ( March 14 , 1891 – May 10 , 1983 ) was a Dutch naturalist , cineast , photographer , journalist , writer and public speaker of the nature ( and birds in particular ) protection movement .
 Jan, Jan P., Strijbos, Dutch
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Jan, Jan P., Strijbos, Dutch