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In addition , theorists such as David Matza and Gresham Sykes argued that criminals are able to temporarily neutralize internal moral and social-behavioral constraints through techniques of neutralization .
 David Matza, Gresham Sykes
Please list all entity words in the text that fit the category. Output format is "word1, word2". 
Option: media, plant, vehicle, astronomical object, time, disease, animal, location, person, organization, mythical figure, food, biology, geographical phenomenon, instrument, event 
Text: {0} 
Answer:
 David Matza, Gresham Sykes