47015
In the 1960 s , the KGB , seeking to improve its image in the Soviet Union , began the cult of the " hero spy " with former Chekists working abroad being celebrated as the great " hero spies " in books , films and newspapers .
 KGB, Soviet Union
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 KGB, Soviet Union