162545
It was one of the cases that helped persuade astronomer J. Allen Hynek , one of the primary investigators for the Air Force , that some UFO reports represented an intriguing mystery .
 J. Allen Hynek
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: location, person, organization 
Text: {0} 
Answer:
 J. Allen Hynek