Astronotes Armagh Planetarium's Stellar Blog! ... Alien Life . astronomers . ... Science Fiction . ... We do not know much about MoriartyБЂ™s family other than he had at least two brothers (confusingly one of them was also called James). The young Moriarty received an excellent education and demonstrated a phenomenal aptitude for pure mathematics. ... By the time he was twenty-one he had written A Treatise on the Binomial Theorem , one of the two works he is remembered for today. ...