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His team was successful , with their results announced in January 1969 parallel with those from a separate team led by Bernd Gutte and Robert Bruce Merrifield at Rockefeller University who also achieved synthesis of the same enzyme using a different method .
 Robert Bruce Merrifield, Rockefeller University
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Robert Bruce Merrifield, Rockefeller University