Catharine MacKinnon
The ordinances were originally written in 1983 by Andrea Dworkin and Catharine MacKinnon, and supported by many (but not all) of their fellow members of the feminist anti-pornography movement. Versions of the ordinance were passed in several cities in the United States during the 1980s, but were blocked by city officials and struck down by courts, who found it to violate the freedom of speech protections of the First Amendment to the United States Constitution.