Bennett A. “Ben” Masel (October 17, 1954 – April 30, 2011) was an American writer, publisher, cannabis rights and free speech activist, expert witness for marijuana defendants, and frequent candidate for public office. A skilled chess player, Masel was director of Wisconsin NORML, and organizer of Weedstock and the annual Great Midwest Marijuana Harvest Festival which has been held in front of the Wisconsin State Capitol every autumn since 1971.