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Among his own PhD students were Sarvadaman Chowla , Harold Davenport , and Donald C. Spencer .
 person: Sarvadaman Chowla; person: Harold Davenport; person: Donald C. Spencer
Please list all entity words in the text that fit the category.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 person: Sarvadaman Chowla; person: Harold Davenport; person: Donald C. Spencer