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Rakesh Agrawal is a National Medal of Technology and Innovation Laureate as well as the Winthrop E. Stone Distinguished Professor of chemical engineering at Purdue University .
 Technology, Winthrop E. Stone, Purdue 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:
 Technology, Winthrop E. Stone, Purdue University