Jean-Charles della Faille

Portrait of Jean-Charles della Faille, by Anthony van Dyck.

Jean-Charles della Faille (Dutch: Jan-Karel della Faille, Spanish: Juan Carlos della Faille), born in Antwerp, 1 March 1597 and died in Barcelona, 4 November 1652, was a Flemish Jesuit priest from Brabant, and a mathematician of repute.

Theoremata de centro gravitatis partium circulis et ellipsis, 1632