 McCollum wrote a book on the case, "One Woman's Fight" (1953), became a world traveler and served two terms as president of the American Humanist Association from 1962–1965.She was also a signer of the Humanist Manifesto II in October 1973 and the Humanist Manifesto III in 2003.In 1948 McCollum told "The New York Times" "As long as the public school is used to recruit the child or to segregate the children according to religion or to use the truancy power of the public schools to make them go to religions classes, I'm against it".