Josh MacPhee is a designer, artist, and archivist. He is a founding member of both the Justseeds Artists' Cooperative and Interference Archive, a public collection of cultural materials produced by social movements based in Brooklyn, NY. MacPhee is the author and editor of numerous publications, including Strike While the Needle is Hot: A Discography of Workers' Militancy , An Encyclopedia of Political Record Labels , and Graphic Liberation: Image Making and Political Movements . He has organized the Celebrate People's History poster series since 1998 and has contributed to the art and culture of the campaigns of dozens of community organizations and unions. Grégory Pierrot teaches literature at the University of Connecticut. Hestudies the cultural networks of the Black Atlantic. He has translatedinto English Philippe Carles and Jean-Louis Comolli's Free Jazz/Black Power , and is the author of The Black Avenger in Atlantic Culture and Decolonize Hipsters , as well as several books in French.