Bernard Le Bovier de Fontenelle, French author, poet, and playwright (born 1657)

Bernard Le Bovier de Fontenelle, 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.

January 9 is the ninth day of the year in the Gregorian calendar; 356 days remain until the end of the year.