 There he was highly successful in his study of classics, logic and ethics, graduating with a Bachelor of Arts degree in 1847.Following his studies in arts, Hearn also studied law, at Trinity College and later at King's Inns in Dublin and Lincoln's Inn in London, and was admitted to the Irish Bar in 1853.Hearn's teaching career began in 1849, when he was selected as a professor of Ancient Greek at the Queen's College, Galway, which had been established a few years earlier.