La Cryptographie, ou, l'art d'écrire en chiffres

P. L. Jacob

Edgard Félix Pierre Jacobs (30 March 1904 – 20 February 1987), better known under his pen name Edgar P. Jacobs, was a Belgian comic book creator (writer and artist), born in Brussels, Belgium. He was one of the founding fathers of the Franco-Belgian comics movement, through his collaborations with Hergé and the graphic novel series that made him famous, Blake and Mortimer.