One of the greatest challenges Agamben presents to his readers is the vast and often bewildering range of sources he draws upon in his work. Looking at figures including Michel Foucault, St Paul, Nietzsche, the Marquis de Sade, Simone Weil and Hannah Arendt, this one-stop reference to Agamben's influences covers 30 thinkers: his primary interlocutors, his secondary references, and the figures who lurk in the background of his arguments without being directly mentioned.