 "Mini-Max" and "Countdown to Catastrophe" reveal Granville was also a mentor to Bob Aken (Obake) whom she consider enough of a genius to give him free rein in his research.But Aken injured himself as a result in an accident cause by his research, with Granville taking the fall while resigning.She returned years later, but with the intent of keeping her students under control as she feels that "students need limits, even geniuses" while attempting not to make the same mistake with Hiro.