After Borduas ' election as president of the group in 1948 , Pellan withdrew his group from the society , upon which Borduas resigned .
By 1948 the CAS was rent by opposing factions with Paul - Emile Borduas and Alfred Pellan at their heads .
After Paul - Emile Borduas ' election as president of the group in 1948 , Alfred Pellan withdrew Alfred Pellan 's group from the society , upon which Paul - Emile Borduas resigned .
By 1948 the CAS was rent by opposing factions with Paul - Emile Borduas and Alfred Pellan at their heads .