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Education Eisgruber is a 1983 graduate of Princeton University , where he earned an A.B. magna cum laude in physics and was inducted into Phi Beta Kappa .
 Princeton, Phi Beta Kappa
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Princeton, Phi Beta Kappa