Gabriel Kuhn is an Austrian-born author and translator living in Stockholm, Sweden. He has been involved in internationalist projects for twenty-five years. Among his publications with PM Press are Life Under the Jolly Roger: Reflections on Golden Age Piracy (2010), Sober Living for the Revolution: Hardcore Punk, Straight Edge, and Radical Politics (2010), and Soccer vs. the State: Tackling Football and Radical Politics (2011).
Klaus Viehmann was a member of the 2nd of June Movement, a German urban guerrilla group. He was arrested in 1978 and spent fifteen years in prison. Today, he lives as a typesetter and graphic designer in Berlin. PM Press and Kersplebedeb have published his pamphlet Prison Round Trip (2009).