27390
The field dates from the 1944 classic " Theory of Games and Economic Behavior " by John von Neumann and Oskar Morgenstern .
 John von Neumann, Oskar Morgenstern
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 John von Neumann, Oskar Morgenstern