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Biomechanical art was popularized in 1979 when Swiss artist H.R. Giger designed the alien creatures in the 1979 feature film Alien .
 H.R. Giger
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 H.R. Giger