Agustín Guillamón is an independent historian, editor of Balance, a magazine dedicated to new research on the Spanish Revolution, and the author of The Friends of Durruti Group, 1937–1939 and Ready for Revolution.
Paul Sharkey has, as an accomplished translator, made a vast body of anarchist texts available to English-language readers. His numerous translations include the works of Nestor Makhno, Osvaldo Bayer, Errico Malatesta, Daniel Guérin, José Peirats, and Antonio Téllez.