Pierre-Henri Tavoillot est philosophe, spécialiste de l'histoire de la philosophie politique.
Maître de conférences en philosophie à l'Université de Paris-Sorbonne (Paris IV), Président du Collège de Philosophie et membre du Conseil d'Analyse de la Société, il codirige la collection "Le Nouveau collège de philosophie" (Grasset).
Il a été membre du Conseil National des programmes (1994-2004) et conseiller au cabinet du Ministre de l'éducation nationale (2000-2002).
Il est coauteur, entre autres, de Philosophie des âges de la vie : Pourquoi grandir ? Pourquoi vieillir ? avec Eric Deschavanne et Histoire de la philosophie politique (tome 1,2 et 3) avec Alain Renaut et Patrick Savidan, Tous paranos ? Pourquoi nous aimons tant les complots … en collaboration avec Laurent Bazin (Editions de l’Aube, 2012).
Il vient de faire paraître Faire, ne pas faire son âge aux Editions de L'Aube.
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