To highlight the Prometheus Awards’ four-decade-plus history and make clear why each winner deserves recognition as a pro-freedom and/or anti-authoritarian work, the Libertarian Futurist Society has been publishing since 2019 a series of Appreciations of past award-winners. Here is an Appreciation of Harlan Ellison’s “Repent Harlequin!’, Said the Ticktockman,” the 2015 Prometheus Hall of Fame winner for Best Classic Fiction.