A man in the employment of Jon Spiro, Dr. Pearson was a Nobel Prize winner and tried to break Artemis Fowl's eternity code on the C Cube. Pearson was the head of the technical staff, receiving 200 million US dollars a year for his department by Spiro. He was the best there was in his area of expertise. He was excited when presented with the C Cube, being the one to discover that it used an eternity code.