 Later, at Oxford he obtained his Master of Arts (Oxon) from the Honour School of English Language & Literature.After Raffles, he became a teacher (at St Xavier's Branch School) but then went to Oxford - Exeter, Oxon 1950-1952 - to further his education.Once he graduated from Oxford he became a barrister and returned to practise law in Penang—his firm commenced in 1954, was at one time known as Chang and Vello.