53986
During this period , he met George M. Cohan , whom he later portrayed in " Yankee Doodle Dandy " , though they never spoke .
 George M. Cohan
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 George M. Cohan