Who wrote the 1953 novel about a postliterate society?
Postliterate society:  Many science-fiction societies are postliterate, as in Ray Bradbury's "Fahrenheit 451", Dan Simmons' novel "Ilium", and Gary Shteyngart's "Super Sad True Love Story". Fahrenheit 451: Fahrenheit 451 is a dystopian novel by American writer Ray Bradbury, published in 1953.
Ray Bradbury