Pierre Marie Ntang defended his Ph.D. thesis entitled Visualiser pour comprendre : application à la programmation vectorielle on October 17th 2023. Ntang will receive his Ph.D. in cognitive computing from the University of Quebec. He was supervised by professor Daniel Lemire and co-supervised by professor Serge Robert. The external reviewer was Steve Pigeon from UQAR. Professor Julien Mercier was an internal reviewer. The jury was presided by professor Richard Hotte.