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After Nowlan and Dille enlisted editorial cartoonist Dick Calkins as the illustrator , Nowlan adapted the first episode from Armageddon 2419 , A.D. and changed the hero 's name from Anthony Rogers to Buck Rogers .
 Nowlan, Dick Calkins, Nowlan, Buck
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 Nowlan, Dick Calkins, Nowlan, Buck