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Steenstrup proved that the large iron - rich blocks found by A.E. Nordenskiöld on Disko , and claimed by him to be meteorites , were in fact native iron extrusions in basalt .
 Steenstrup, A.E. Nordenskiöld
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Steenstrup, A.E. Nordenskiöld