An unpublished book of hours recently acquired by the Manuscripts Departmen
t in the Bibliotheque nationale de France has been identified by the author
s as the work of the illuminator Jean Le Tavernier. In this article, the au
thor reviews what is known about the artist, his distinctive style and its
relationship with the painting in Tournai at the time of Robert Campin, and
proposes a tentative chronology of his works.