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George A. Michael ( 1926 - 2008 ) was a computational physicist at Lawrence Livermore Laboratories , best known for his role in the development of supercomputing .
 Lawrence Livermore Laboratories
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Lawrence Livermore Laboratories