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Taking into account data from researchers such as Alfred Kinsey and Evelyn Hooker , the sixth printing of the DSM-II , in 1974 , no longer listed homosexuality as a category of disorder .
 Alfred Kinsey, Evelyn Hooker
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:
 Alfred Kinsey, Evelyn Hooker