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This began a long career in academia at Cardiff , Bristol and Imperial College during which he was responsible for the analysis of the methods used in the design of the R100 and R101 airships .
 organization: Cardiff; organization: Bristol; organization: Imperial College
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:
 organization: Cardiff; organization: Bristol; organization: Imperial College