Complex sentence: He was educated at Royal College, Colombo after which he studied English and Law, 1938, at St Catharine's College, Cambridge gaining a BA (English Literature Tripos) and went on to read law at Middle Temple, London becoming a Barrister in 1944.
Split into simpler sentences: He was educated at Royal College, Colombo and when on to study English and Law, in 1938, at St Catharine's College, Cambridge gaining a BA (English Literature Tripos). Thereafter he went on to read law at Middle Temple, London becoming a Barrister in 1944.