Complex sentence: In the 1960s he was artistic director at the Nottingham Playhouse, another of Britain's leading provincial repertory theatres, before leaving for Canada in 1972, taking up the post of artistic director at the Citadel Theatre in Edmonton Alberta.
Split into simpler sentences: In the 1960s Neville was artistic director at the Nottingham Playhouse, another of Britain's leading provincial repertory theatres. He left for Canada in 1972, taking up the post of artistic director at the Citadel Theatre in Edmonton Alberta.