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Another founding method , more specially devoted to real algebraic geometry , is the cylindrical algebraic decomposition , introduced by George E. Collins in 1973 .
 person: George E. Collins
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: George E. Collins