Madalyn Murray O'Hair

An Atheist believes that a hospital should be built instead of a church. An atheist believes that deed must be done instead of prayer said. An atheist strives for involvement in life and not escape into death. He wants disease conquered, poverty vanished, war eliminated.

Many of Judy Blume's books - which I devoured when I was growing up and where I found characters that were believable because they were a lot like me - caused considerable consternation when they were first published, but now they're widely accepted as an essential part of the children's literary canon.