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Fredric Wertham 's 1954 book " Seduction of the Innocent " had rallied opposition to this type of material in comics , arguing that it was harmful to the children who made up a large segment of the comic book audience .
 Fredric Wertham, Seduction of the Innocent
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:
 Fredric Wertham, Seduction of the Innocent