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He was awarded the Maxwell Medal and the Paul Dirac Prize by the Institute of Physics in 1982 and 2005 respectively , and is an Elected Fellow of the Royal Society of London since 1985 and of the Institute of Physics since 1991 .
 organization: Institute of Physics; organization: Royal Society of London; organization: Physics
Given options, please tell me the categories of all the listed entity words.Output format is "type1: word1; type2: word2". 
Option: location, person, organization 
Text: {0} 
 Entities: Institute of Physics, Royal Society of London, Physics 
Answer:
 organization: Institute of Physics; organization: Royal Society of London; organization: Physics