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Dr Roderick Peter Hackney ( born 3 March 1942 ) , better known as Rod Hackney , is a British architect and past president of the Royal Institute of British Architects .
 Royal Institute of British Architects
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Royal Institute of British Architects