Philippe Cohen est journaliste, il est l’auteur de plusieurs ouvrages dont une biographie de Bernard-Henri Lévy (BHL, une biographie, Fayard, 2005) et il a publié avec Pierre Péan La Face cachée du monde (Fayard, 2003).
Le dernier ouvrage de Pierre Cohen Le Pen, une histoire française a été publié en novembre 2012 aux éditions Robert Laffont aux côtés de Pierre Péan.
Guillaume Bernard est docteur en droit, maître de conférence à Sciences Po Paris et à l'Institut Catholique d'Etudes Supérieures. Il est spécialisé en histoire des institutions publiques et des idées politiques. Il a notamment codirigé Les forces politiques françaises (PUF, 2007) et le Dictionnaire de la politique et de l’administration (PUF, 2011).
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