Pete Ayrton (editor), Luis Bunuel (contributor), Langston Hughes (contributor), Jean-Paul Sartre (contributor), George Orwell (contributor), Arturo Barea (contributor), and John Roderigo Dos Passos (contributor)
Louise Michel, William Morris, Mikhail Bakunin, Petr Alekseevich Kropotkin, Voltairine de Cleyre, Alexander Berkman, Maurice Brinton, and Andrew Zonneveld (Editor)