Bernard Le Bovier de Fontenelle (French: [fɔ̃tənɛl]; 11 February 1657 – 9 January 1757), also called Bernard Le Bouyer de Fontenelle, was a French author and an influential member of three of the academies of the Institut de France, noted especially for his accessible treatment of scientific topics during the unfolding of the Age of Enlightenment.