Marcello Tar is an independent researcher. He is author of numerous essays and books in French and Italian, including Il ghiaccio era sottile: Per una storia dell'autonomia (Derive Approdi, 2012) and Non esiste la rivoluzione infelice: Il comunismo della destituzione (Derive Approdi, 2017); as well as Autonomie!: Italie, les annees 1970 (La Fabrique, 2011) and Il n y a pas de revolution malheureuse: Le communisme de la destitution (Editions Divergences, 2019). Tar has lived in the last few years between France and Italy. There Is No Unhappy Revolution is his first book in English.